| version 1.87.2.7, 2005/12/11 10:29:12 |
version 1.88, 2003/11/13 02:44:01 |
| Line 70 __KERNEL_RCSID(0, "$NetBSD$"); |
|
| Line 70 __KERNEL_RCSID(0, "$NetBSD$"); |
|
| */ |
*/ |
| |
|
| /* List of all pools */ |
/* List of all pools */ |
| LIST_HEAD(,pool) pool_head = LIST_HEAD_INITIALIZER(pool_head); |
TAILQ_HEAD(,pool) pool_head = TAILQ_HEAD_INITIALIZER(pool_head); |
| |
|
| /* Private pool for page header structures */ |
/* Private pool for page header structures */ |
| #define PHPOOL_MAX 8 |
static struct pool phpool; |
| static struct pool phpool[PHPOOL_MAX]; |
|
| #define PHPOOL_FREELIST_NELEM(idx) (((idx) == 0) ? 0 : (1 << (idx))) |
|
| |
|
| #ifdef POOL_SUBPAGE |
#ifdef POOL_SUBPAGE |
| /* Pool of subpages for use by normal pools. */ |
/* Pool of subpages for use by normal pools. */ |
| static struct pool psppool; |
static struct pool psppool; |
| #endif |
#endif |
| |
|
| static void *pool_page_alloc_meta(struct pool *, int); |
|
| static void pool_page_free_meta(struct pool *, void *); |
|
| |
|
| /* allocator for pool metadata */ |
|
| static struct pool_allocator pool_allocator_meta = { |
|
| pool_page_alloc_meta, pool_page_free_meta |
|
| }; |
|
| |
|
| /* # of seconds to retain page after last use */ |
/* # of seconds to retain page after last use */ |
| int pool_inactive_time = 10; |
int pool_inactive_time = 10; |
| |
|
| Line 99 static struct pool *drainpp; |
|
| Line 89 static struct pool *drainpp; |
|
| /* This spin lock protects both pool_head and drainpp. */ |
/* This spin lock protects both pool_head and drainpp. */ |
| struct simplelock pool_head_slock = SIMPLELOCK_INITIALIZER; |
struct simplelock pool_head_slock = SIMPLELOCK_INITIALIZER; |
| |
|
| typedef uint8_t pool_item_freelist_t; |
|
| |
|
| struct pool_item_header { |
struct pool_item_header { |
| /* Page headers */ |
/* Page headers */ |
| LIST_ENTRY(pool_item_header) |
LIST_ENTRY(pool_item_header) |
| ph_pagelist; /* pool page list */ |
ph_pagelist; /* pool page list */ |
| |
TAILQ_HEAD(,pool_item) ph_itemlist; /* chunk list for this page */ |
| SPLAY_ENTRY(pool_item_header) |
SPLAY_ENTRY(pool_item_header) |
| ph_node; /* Off-page page headers */ |
ph_node; /* Off-page page headers */ |
| |
unsigned int ph_nmissing; /* # of chunks in use */ |
| caddr_t ph_page; /* this page's address */ |
caddr_t ph_page; /* this page's address */ |
| struct timeval ph_time; /* last referenced */ |
struct timeval ph_time; /* last referenced */ |
| union { |
|
| /* !PR_NOTOUCH */ |
|
| struct { |
|
| LIST_HEAD(, pool_item) |
|
| phu_itemlist; /* chunk list for this page */ |
|
| } phu_normal; |
|
| /* PR_NOTOUCH */ |
|
| struct { |
|
| uint16_t |
|
| phu_off; /* start offset in page */ |
|
| pool_item_freelist_t |
|
| phu_firstfree; /* first free item */ |
|
| /* |
|
| * XXX it might be better to use |
|
| * a simple bitmap and ffs(3) |
|
| */ |
|
| } phu_notouch; |
|
| } ph_u; |
|
| uint16_t ph_nmissing; /* # of chunks in use */ |
|
| }; |
}; |
| #define ph_itemlist ph_u.phu_normal.phu_itemlist |
|
| #define ph_off ph_u.phu_notouch.phu_off |
|
| #define ph_firstfree ph_u.phu_notouch.phu_firstfree |
|
| |
|
| struct pool_item { |
struct pool_item { |
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| Line 139 struct pool_item { |
|
| Line 107 struct pool_item { |
|
| #endif |
#endif |
| #define PI_MAGIC 0xdeadbeefU |
#define PI_MAGIC 0xdeadbeefU |
| /* Other entries use only this list entry */ |
/* Other entries use only this list entry */ |
| LIST_ENTRY(pool_item) pi_list; |
TAILQ_ENTRY(pool_item) pi_list; |
| }; |
}; |
| |
|
| #define POOL_NEEDS_CATCHUP(pp) \ |
#define POOL_NEEDS_CATCHUP(pp) \ |
| Line 174 struct pool_item { |
|
| Line 142 struct pool_item { |
|
| /* The cache group pool. */ |
/* The cache group pool. */ |
| static struct pool pcgpool; |
static struct pool pcgpool; |
| |
|
| static void pool_cache_reclaim(struct pool_cache *, struct pool_pagelist *, |
static void pool_cache_reclaim(struct pool_cache *); |
| struct pool_cache_grouplist *); |
|
| static void pcg_grouplist_free(struct pool_cache_grouplist *); |
|
| |
|
| static int pool_catchup(struct pool *); |
static int pool_catchup(struct pool *); |
| static void pool_prime_page(struct pool *, caddr_t, |
static void pool_prime_page(struct pool *, caddr_t, |
| Line 186 static void pool_update_curpage(struct p |
|
| Line 152 static void pool_update_curpage(struct p |
|
| void *pool_allocator_alloc(struct pool *, int); |
void *pool_allocator_alloc(struct pool *, int); |
| void pool_allocator_free(struct pool *, void *); |
void pool_allocator_free(struct pool *, void *); |
| |
|
| static void pool_print_pagelist(struct pool *, struct pool_pagelist *, |
static void pool_print_pagelist(struct pool_pagelist *, |
| void (*)(const char *, ...)); |
void (*)(const char *, ...)); |
| static void pool_print1(struct pool *, const char *, |
static void pool_print1(struct pool *, const char *, |
| void (*)(const char *, ...)); |
void (*)(const char *, ...)); |
| Line 313 pr_enter_check(struct pool *pp, void (*p |
|
| Line 279 pr_enter_check(struct pool *pp, void (*p |
|
| #endif /* POOL_DIAGNOSTIC */ |
#endif /* POOL_DIAGNOSTIC */ |
| |
|
| static __inline int |
static __inline int |
| pr_item_notouch_index(const struct pool *pp, const struct pool_item_header *ph, |
|
| const void *v) |
|
| { |
|
| const char *cp = v; |
|
| int idx; |
|
| |
|
| KASSERT(pp->pr_roflags & PR_NOTOUCH); |
|
| idx = (cp - ph->ph_page - ph->ph_off) / pp->pr_size; |
|
| KASSERT(idx < pp->pr_itemsperpage); |
|
| return idx; |
|
| } |
|
| |
|
| #define PR_FREELIST_ALIGN(p) \ |
|
| roundup((uintptr_t)(p), sizeof(pool_item_freelist_t)) |
|
| #define PR_FREELIST(ph) ((pool_item_freelist_t *)PR_FREELIST_ALIGN((ph) + 1)) |
|
| #define PR_INDEX_USED ((pool_item_freelist_t)-1) |
|
| #define PR_INDEX_EOL ((pool_item_freelist_t)-2) |
|
| |
|
| static __inline void |
|
| pr_item_notouch_put(const struct pool *pp, struct pool_item_header *ph, |
|
| void *obj) |
|
| { |
|
| int idx = pr_item_notouch_index(pp, ph, obj); |
|
| pool_item_freelist_t *freelist = PR_FREELIST(ph); |
|
| |
|
| KASSERT(freelist[idx] == PR_INDEX_USED); |
|
| freelist[idx] = ph->ph_firstfree; |
|
| ph->ph_firstfree = idx; |
|
| } |
|
| |
|
| static __inline void * |
|
| pr_item_notouch_get(const struct pool *pp, struct pool_item_header *ph) |
|
| { |
|
| int idx = ph->ph_firstfree; |
|
| pool_item_freelist_t *freelist = PR_FREELIST(ph); |
|
| |
|
| KASSERT(freelist[idx] != PR_INDEX_USED); |
|
| ph->ph_firstfree = freelist[idx]; |
|
| freelist[idx] = PR_INDEX_USED; |
|
| |
|
| return ph->ph_page + ph->ph_off + idx * pp->pr_size; |
|
| } |
|
| |
|
| static __inline int |
|
| phtree_compare(struct pool_item_header *a, struct pool_item_header *b) |
phtree_compare(struct pool_item_header *a, struct pool_item_header *b) |
| { |
{ |
| if (a->ph_page < b->ph_page) |
if (a->ph_page < b->ph_page) |
| Line 386 pr_find_pagehead(struct pool *pp, caddr_ |
|
| Line 308 pr_find_pagehead(struct pool *pp, caddr_ |
|
| return ph; |
return ph; |
| } |
} |
| |
|
| static void |
|
| pr_pagelist_free(struct pool *pp, struct pool_pagelist *pq) |
|
| { |
|
| struct pool_item_header *ph; |
|
| int s; |
|
| |
|
| while ((ph = LIST_FIRST(pq)) != NULL) { |
|
| LIST_REMOVE(ph, ph_pagelist); |
|
| pool_allocator_free(pp, ph->ph_page); |
|
| if ((pp->pr_roflags & PR_PHINPAGE) == 0) { |
|
| s = splvm(); |
|
| pool_put(pp->pr_phpool, ph); |
|
| splx(s); |
|
| } |
|
| } |
|
| } |
|
| |
|
| /* |
/* |
| * Remove a page from the pool. |
* Remove a page from the pool. |
| */ |
*/ |
| Line 410 static __inline void |
|
| Line 315 static __inline void |
|
| pr_rmpage(struct pool *pp, struct pool_item_header *ph, |
pr_rmpage(struct pool *pp, struct pool_item_header *ph, |
| struct pool_pagelist *pq) |
struct pool_pagelist *pq) |
| { |
{ |
| |
int s; |
| LOCK_ASSERT(simple_lock_held(&pp->pr_slock)); |
|
| |
|
| /* |
/* |
| * If the page was idle, decrement the idle page count. |
* If the page was idle, decrement the idle page count. |
| Line 429 pr_rmpage(struct pool *pp, struct pool_i |
|
| Line 333 pr_rmpage(struct pool *pp, struct pool_i |
|
| pp->pr_nitems -= pp->pr_itemsperpage; |
pp->pr_nitems -= pp->pr_itemsperpage; |
| |
|
| /* |
/* |
| * Unlink the page from the pool and queue it for release. |
* Unlink a page from the pool and release it (or queue it for release). |
| */ |
*/ |
| LIST_REMOVE(ph, ph_pagelist); |
LIST_REMOVE(ph, ph_pagelist); |
| if ((pp->pr_roflags & PR_PHINPAGE) == 0) |
if (pq) { |
| SPLAY_REMOVE(phtree, &pp->pr_phtree, ph); |
LIST_INSERT_HEAD(pq, ph, ph_pagelist); |
| LIST_INSERT_HEAD(pq, ph, ph_pagelist); |
} else { |
| |
pool_allocator_free(pp, ph->ph_page); |
| |
if ((pp->pr_roflags & PR_PHINPAGE) == 0) { |
| |
SPLAY_REMOVE(phtree, &pp->pr_phtree, ph); |
| |
s = splvm(); |
| |
pool_put(&phpool, ph); |
| |
splx(s); |
| |
} |
| |
} |
| pp->pr_npages--; |
pp->pr_npages--; |
| pp->pr_npagefree++; |
pp->pr_npagefree++; |
| |
|
| Line 443 pr_rmpage(struct pool *pp, struct pool_i |
|
| Line 354 pr_rmpage(struct pool *pp, struct pool_i |
|
| } |
} |
| |
|
| /* |
/* |
| * Initialize all the pools listed in the "pools" link set. |
|
| */ |
|
| void |
|
| link_pool_init(void) |
|
| { |
|
| __link_set_decl(pools, struct link_pool_init); |
|
| struct link_pool_init * const *pi; |
|
| |
|
| __link_set_foreach(pi, pools) |
|
| pool_init((*pi)->pp, (*pi)->size, (*pi)->align, |
|
| (*pi)->align_offset, (*pi)->flags, (*pi)->wchan, |
|
| (*pi)->palloc); |
|
| } |
|
| |
|
| /* |
|
| * Initialize the given pool resource structure. |
* Initialize the given pool resource structure. |
| * |
* |
| * We export this routine to allow other kernel parts to declare |
* We export this routine to allow other kernel parts to declare |
| Line 468 pool_init(struct pool *pp, size_t size, |
|
| Line 364 pool_init(struct pool *pp, size_t size, |
|
| const char *wchan, struct pool_allocator *palloc) |
const char *wchan, struct pool_allocator *palloc) |
| { |
{ |
| int off, slack; |
int off, slack; |
| size_t trysize, phsize; |
|
| int s; |
|
| |
|
| KASSERT((1UL << (CHAR_BIT * sizeof(pool_item_freelist_t))) - 2 >= |
|
| PHPOOL_FREELIST_NELEM(PHPOOL_MAX - 1)); |
|
| |
|
| #ifdef POOL_DIAGNOSTIC |
#ifdef POOL_DIAGNOSTIC |
| /* |
/* |
| Line 539 pool_init(struct pool *pp, size_t size, |
|
| Line 430 pool_init(struct pool *pp, size_t size, |
|
| LIST_INIT(&pp->pr_emptypages); |
LIST_INIT(&pp->pr_emptypages); |
| LIST_INIT(&pp->pr_fullpages); |
LIST_INIT(&pp->pr_fullpages); |
| LIST_INIT(&pp->pr_partpages); |
LIST_INIT(&pp->pr_partpages); |
| LIST_INIT(&pp->pr_cachelist); |
TAILQ_INIT(&pp->pr_cachelist); |
| pp->pr_curpage = NULL; |
pp->pr_curpage = NULL; |
| pp->pr_npages = 0; |
pp->pr_npages = 0; |
| pp->pr_minitems = 0; |
pp->pr_minitems = 0; |
| Line 564 pool_init(struct pool *pp, size_t size, |
|
| Line 455 pool_init(struct pool *pp, size_t size, |
|
| |
|
| /* |
/* |
| * Decide whether to put the page header off page to avoid |
* Decide whether to put the page header off page to avoid |
| * wasting too large a part of the page or too big item. |
* wasting too large a part of the page. Off-page page headers |
| * Off-page page headers go on a hash table, so we can match |
* go on a hash table, so we can match a returned item |
| * a returned item with its header based on the page address. |
* with its header based on the page address. |
| * We use 1/16 of the page size and about 8 times of the item |
* We use 1/16 of the page size as the threshold (XXX: tune) |
| * size as the threshold (XXX: tune) |
|
| * |
|
| * However, we'll put the header into the page if we can put |
|
| * it without wasting any items. |
|
| * |
|
| * Silently enforce `0 <= ioff < align'. |
|
| */ |
*/ |
| pp->pr_itemoffset = ioff %= align; |
if (pp->pr_size < palloc->pa_pagesz/16) { |
| /* See the comment below about reserved bytes. */ |
|
| trysize = palloc->pa_pagesz - ((align - ioff) % align); |
|
| phsize = ALIGN(sizeof(struct pool_item_header)); |
|
| if ((pp->pr_roflags & PR_NOTOUCH) == 0 && |
|
| (pp->pr_size < MIN(palloc->pa_pagesz / 16, phsize << 3) || |
|
| trysize / pp->pr_size == (trysize - phsize) / pp->pr_size)) { |
|
| /* Use the end of the page for the page header */ |
/* Use the end of the page for the page header */ |
| pp->pr_roflags |= PR_PHINPAGE; |
pp->pr_roflags |= PR_PHINPAGE; |
| pp->pr_phoffset = off = palloc->pa_pagesz - phsize; |
pp->pr_phoffset = off = palloc->pa_pagesz - |
| |
ALIGN(sizeof(struct pool_item_header)); |
| } else { |
} else { |
| /* The page header will be taken from our page header pool */ |
/* The page header will be taken from our page header pool */ |
| pp->pr_phoffset = 0; |
pp->pr_phoffset = 0; |
| Line 596 pool_init(struct pool *pp, size_t size, |
|
| Line 476 pool_init(struct pool *pp, size_t size, |
|
| * Alignment is to take place at `ioff' within the item. This means |
* Alignment is to take place at `ioff' within the item. This means |
| * we must reserve up to `align - 1' bytes on the page to allow |
* we must reserve up to `align - 1' bytes on the page to allow |
| * appropriate positioning of each item. |
* appropriate positioning of each item. |
| |
* |
| |
* Silently enforce `0 <= ioff < align'. |
| */ |
*/ |
| |
pp->pr_itemoffset = ioff = ioff % align; |
| pp->pr_itemsperpage = (off - ((align - ioff) % align)) / pp->pr_size; |
pp->pr_itemsperpage = (off - ((align - ioff) % align)) / pp->pr_size; |
| KASSERT(pp->pr_itemsperpage != 0); |
KASSERT(pp->pr_itemsperpage != 0); |
| if ((pp->pr_roflags & PR_NOTOUCH)) { |
|
| int idx; |
|
| |
|
| for (idx = 0; pp->pr_itemsperpage > PHPOOL_FREELIST_NELEM(idx); |
|
| idx++) { |
|
| /* nothing */ |
|
| } |
|
| if (idx >= PHPOOL_MAX) { |
|
| /* |
|
| * if you see this panic, consider to tweak |
|
| * PHPOOL_MAX and PHPOOL_FREELIST_NELEM. |
|
| */ |
|
| panic("%s: too large itemsperpage(%d) for PR_NOTOUCH", |
|
| pp->pr_wchan, pp->pr_itemsperpage); |
|
| } |
|
| pp->pr_phpool = &phpool[idx]; |
|
| } else if ((pp->pr_roflags & PR_PHINPAGE) == 0) { |
|
| pp->pr_phpool = &phpool[0]; |
|
| } |
|
| #if defined(DIAGNOSTIC) |
|
| else { |
|
| pp->pr_phpool = NULL; |
|
| } |
|
| #endif |
|
| |
|
| /* |
/* |
| * Use the slack between the chunks and the page header |
* Use the slack between the chunks and the page header |
| Line 661 pool_init(struct pool *pp, size_t size, |
|
| Line 520 pool_init(struct pool *pp, size_t size, |
|
| * haven't done so yet. |
* haven't done so yet. |
| * XXX LOCKING. |
* XXX LOCKING. |
| */ |
*/ |
| if (phpool[0].pr_size == 0) { |
if (phpool.pr_size == 0) { |
| int idx; |
|
| for (idx = 0; idx < PHPOOL_MAX; idx++) { |
|
| static char phpool_names[PHPOOL_MAX][6+1+6+1]; |
|
| int nelem; |
|
| size_t sz; |
|
| |
|
| nelem = PHPOOL_FREELIST_NELEM(idx); |
|
| snprintf(phpool_names[idx], sizeof(phpool_names[idx]), |
|
| "phpool-%d", nelem); |
|
| sz = sizeof(struct pool_item_header); |
|
| if (nelem) { |
|
| sz = PR_FREELIST_ALIGN(sz) |
|
| + nelem * sizeof(pool_item_freelist_t); |
|
| } |
|
| pool_init(&phpool[idx], sz, 0, 0, 0, |
|
| phpool_names[idx], &pool_allocator_meta); |
|
| } |
|
| #ifdef POOL_SUBPAGE |
#ifdef POOL_SUBPAGE |
| |
pool_init(&phpool, sizeof(struct pool_item_header), 0, 0, 0, |
| |
"phpool", &pool_allocator_kmem); |
| pool_init(&psppool, POOL_SUBPAGE, POOL_SUBPAGE, 0, |
pool_init(&psppool, POOL_SUBPAGE, POOL_SUBPAGE, 0, |
| PR_RECURSIVE, "psppool", &pool_allocator_meta); |
PR_RECURSIVE, "psppool", &pool_allocator_kmem); |
| |
#else |
| |
pool_init(&phpool, sizeof(struct pool_item_header), 0, 0, |
| |
0, "phpool", NULL); |
| #endif |
#endif |
| pool_init(&pcgpool, sizeof(struct pool_cache_group), 0, 0, |
pool_init(&pcgpool, sizeof(struct pool_cache_group), 0, 0, |
| 0, "pcgpool", &pool_allocator_meta); |
0, "pcgpool", NULL); |
| } |
} |
| |
|
| /* Insert into the list of all pools. */ |
/* Insert into the list of all pools. */ |
| simple_lock(&pool_head_slock); |
simple_lock(&pool_head_slock); |
| LIST_INSERT_HEAD(&pool_head, pp, pr_poollist); |
TAILQ_INSERT_TAIL(&pool_head, pp, pr_poollist); |
| simple_unlock(&pool_head_slock); |
simple_unlock(&pool_head_slock); |
| |
|
| /* Insert this into the list of pools using this allocator. */ |
/* Insert this into the list of pools using this allocator. */ |
| s = splvm(); |
|
| simple_lock(&palloc->pa_slock); |
simple_lock(&palloc->pa_slock); |
| TAILQ_INSERT_TAIL(&palloc->pa_list, pp, pr_alloc_list); |
TAILQ_INSERT_TAIL(&palloc->pa_list, pp, pr_alloc_list); |
| simple_unlock(&palloc->pa_slock); |
simple_unlock(&palloc->pa_slock); |
| splx(s); |
|
| } |
} |
| |
|
| /* |
/* |
| Line 706 pool_init(struct pool *pp, size_t size, |
|
| Line 551 pool_init(struct pool *pp, size_t size, |
|
| void |
void |
| pool_destroy(struct pool *pp) |
pool_destroy(struct pool *pp) |
| { |
{ |
| struct pool_pagelist pq; |
|
| struct pool_item_header *ph; |
struct pool_item_header *ph; |
| int s; |
struct pool_cache *pc; |
| |
|
| /* Remove from global pool list */ |
|
| simple_lock(&pool_head_slock); |
|
| LIST_REMOVE(pp, pr_poollist); |
|
| if (drainpp == pp) |
|
| drainpp = NULL; |
|
| simple_unlock(&pool_head_slock); |
|
| |
|
| /* Remove this pool from its allocator's list of pools. */ |
/* Locking order: pool_allocator -> pool */ |
| s = splvm(); |
|
| simple_lock(&pp->pr_alloc->pa_slock); |
simple_lock(&pp->pr_alloc->pa_slock); |
| TAILQ_REMOVE(&pp->pr_alloc->pa_list, pp, pr_alloc_list); |
TAILQ_REMOVE(&pp->pr_alloc->pa_list, pp, pr_alloc_list); |
| simple_unlock(&pp->pr_alloc->pa_slock); |
simple_unlock(&pp->pr_alloc->pa_slock); |
| splx(s); |
|
| |
|
| s = splvm(); |
/* Destroy all caches for this pool. */ |
| simple_lock(&pp->pr_slock); |
while ((pc = TAILQ_FIRST(&pp->pr_cachelist)) != NULL) |
| |
pool_cache_destroy(pc); |
| KASSERT(LIST_EMPTY(&pp->pr_cachelist)); |
|
| |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (pp->pr_nout != 0) { |
if (pp->pr_nout != 0) { |
| Line 737 pool_destroy(struct pool *pp) |
|
| Line 571 pool_destroy(struct pool *pp) |
|
| } |
} |
| #endif |
#endif |
| |
|
| KASSERT(LIST_EMPTY(&pp->pr_fullpages)); |
|
| KASSERT(LIST_EMPTY(&pp->pr_partpages)); |
|
| |
|
| /* Remove all pages */ |
/* Remove all pages */ |
| LIST_INIT(&pq); |
|
| while ((ph = LIST_FIRST(&pp->pr_emptypages)) != NULL) |
while ((ph = LIST_FIRST(&pp->pr_emptypages)) != NULL) |
| pr_rmpage(pp, ph, &pq); |
pr_rmpage(pp, ph, NULL); |
| |
KASSERT(LIST_EMPTY(&pp->pr_fullpages)); |
| simple_unlock(&pp->pr_slock); |
KASSERT(LIST_EMPTY(&pp->pr_partpages)); |
| splx(s); |
|
| |
|
| pr_pagelist_free(pp, &pq); |
/* Remove from global pool list */ |
| |
simple_lock(&pool_head_slock); |
| |
TAILQ_REMOVE(&pool_head, pp, pr_poollist); |
| |
if (drainpp == pp) { |
| |
drainpp = NULL; |
| |
} |
| |
simple_unlock(&pool_head_slock); |
| |
|
| #ifdef POOL_DIAGNOSTIC |
#ifdef POOL_DIAGNOSTIC |
| if ((pp->pr_roflags & PR_LOGGING) != 0) |
if ((pp->pr_roflags & PR_LOGGING) != 0) |
| Line 781 pool_alloc_item_header(struct pool *pp, |
|
| Line 616 pool_alloc_item_header(struct pool *pp, |
|
| ph = (struct pool_item_header *) (storage + pp->pr_phoffset); |
ph = (struct pool_item_header *) (storage + pp->pr_phoffset); |
| else { |
else { |
| s = splvm(); |
s = splvm(); |
| ph = pool_get(pp->pr_phpool, flags); |
ph = pool_get(&phpool, flags); |
| splx(s); |
splx(s); |
| } |
} |
| |
|
| Line 803 pool_get(struct pool *pp, int flags) |
|
| Line 638 pool_get(struct pool *pp, int flags) |
|
| void *v; |
void *v; |
| |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (__predict_false(pp->pr_itemsperpage == 0)) |
|
| panic("pool_get: pool %p: pr_itemsperpage is zero, " |
|
| "pool not initialized?", pp); |
|
| if (__predict_false(curlwp == NULL && doing_shutdown == 0 && |
if (__predict_false(curlwp == NULL && doing_shutdown == 0 && |
| (flags & PR_WAITOK) != 0)) |
(flags & PR_WAITOK) != 0)) |
| panic("pool_get: %s: must have NOWAIT", pp->pr_wchan); |
panic("pool_get: %s: must have NOWAIT", pp->pr_wchan); |
| |
|
| #endif /* DIAGNOSTIC */ |
|
| #ifdef LOCKDEBUG |
#ifdef LOCKDEBUG |
| if (flags & PR_WAITOK) |
if (flags & PR_WAITOK) |
| simple_lock_only_held(NULL, "pool_get(PR_WAITOK)"); |
simple_lock_only_held(NULL, "pool_get(PR_WAITOK)"); |
| SCHED_ASSERT_UNLOCKED(); |
|
| #endif |
#endif |
| |
#endif /* DIAGNOSTIC */ |
| |
|
| simple_lock(&pp->pr_slock); |
simple_lock(&pp->pr_slock); |
| pr_enter(pp, file, line); |
pr_enter(pp, file, line); |
| Line 902 pool_get(struct pool *pp, int flags) |
|
| Line 733 pool_get(struct pool *pp, int flags) |
|
| v = pool_allocator_alloc(pp, flags); |
v = pool_allocator_alloc(pp, flags); |
| if (__predict_true(v != NULL)) |
if (__predict_true(v != NULL)) |
| ph = pool_alloc_item_header(pp, v, flags); |
ph = pool_alloc_item_header(pp, v, flags); |
| |
simple_lock(&pp->pr_slock); |
| |
pr_enter(pp, file, line); |
| |
|
| if (__predict_false(v == NULL || ph == NULL)) { |
if (__predict_false(v == NULL || ph == NULL)) { |
| if (v != NULL) |
if (v != NULL) |
| pool_allocator_free(pp, v); |
pool_allocator_free(pp, v); |
| |
|
| simple_lock(&pp->pr_slock); |
|
| pr_enter(pp, file, line); |
|
| |
|
| /* |
/* |
| * We were unable to allocate a page or item |
* We were unable to allocate a page or item |
| * header, but we released the lock during |
* header, but we released the lock during |
| Line 941 pool_get(struct pool *pp, int flags) |
|
| Line 771 pool_get(struct pool *pp, int flags) |
|
| } |
} |
| |
|
| /* We have more memory; add it to the pool */ |
/* We have more memory; add it to the pool */ |
| simple_lock(&pp->pr_slock); |
|
| pr_enter(pp, file, line); |
|
| pool_prime_page(pp, v, ph); |
pool_prime_page(pp, v, ph); |
| pp->pr_npagealloc++; |
pp->pr_npagealloc++; |
| |
|
| /* Start the allocation process over. */ |
/* Start the allocation process over. */ |
| goto startover; |
goto startover; |
| } |
} |
| if (pp->pr_roflags & PR_NOTOUCH) { |
if (__predict_false((v = pi = TAILQ_FIRST(&ph->ph_itemlist)) == NULL)) { |
| #ifdef DIAGNOSTIC |
pr_leave(pp); |
| if (__predict_false(ph->ph_nmissing == pp->pr_itemsperpage)) { |
simple_unlock(&pp->pr_slock); |
| pr_leave(pp); |
panic("pool_get: %s: page empty", pp->pr_wchan); |
| simple_unlock(&pp->pr_slock); |
} |
| panic("pool_get: %s: page empty", pp->pr_wchan); |
|
| } |
|
| #endif |
|
| v = pr_item_notouch_get(pp, ph); |
|
| #ifdef POOL_DIAGNOSTIC |
|
| pr_log(pp, v, PRLOG_GET, file, line); |
|
| #endif |
|
| } else { |
|
| v = pi = LIST_FIRST(&ph->ph_itemlist); |
|
| if (__predict_false(v == NULL)) { |
|
| pr_leave(pp); |
|
| simple_unlock(&pp->pr_slock); |
|
| panic("pool_get: %s: page empty", pp->pr_wchan); |
|
| } |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (__predict_false(pp->pr_nitems == 0)) { |
if (__predict_false(pp->pr_nitems == 0)) { |
| pr_leave(pp); |
pr_leave(pp); |
| simple_unlock(&pp->pr_slock); |
simple_unlock(&pp->pr_slock); |
| printf("pool_get: %s: items on itemlist, nitems %u\n", |
printf("pool_get: %s: items on itemlist, nitems %u\n", |
| pp->pr_wchan, pp->pr_nitems); |
pp->pr_wchan, pp->pr_nitems); |
| panic("pool_get: nitems inconsistent"); |
panic("pool_get: nitems inconsistent"); |
| } |
} |
| #endif |
#endif |
| |
|
| #ifdef POOL_DIAGNOSTIC |
#ifdef POOL_DIAGNOSTIC |
| pr_log(pp, v, PRLOG_GET, file, line); |
pr_log(pp, v, PRLOG_GET, file, line); |
| #endif |
#endif |
| |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (__predict_false(pi->pi_magic != PI_MAGIC)) { |
if (__predict_false(pi->pi_magic != PI_MAGIC)) { |
| pr_printlog(pp, pi, printf); |
pr_printlog(pp, pi, printf); |
| panic("pool_get(%s): free list modified: " |
panic("pool_get(%s): free list modified: magic=%x; page %p;" |
| "magic=%x; page %p; item addr %p\n", |
" item addr %p\n", |
| pp->pr_wchan, pi->pi_magic, ph->ph_page, pi); |
pp->pr_wchan, pi->pi_magic, ph->ph_page, pi); |
| } |
} |
| #endif |
#endif |
| |
|
| /* |
/* |
| * Remove from item list. |
* Remove from item list. |
| */ |
*/ |
| LIST_REMOVE(pi, pi_list); |
TAILQ_REMOVE(&ph->ph_itemlist, pi, pi_list); |
| } |
|
| pp->pr_nitems--; |
pp->pr_nitems--; |
| pp->pr_nout++; |
pp->pr_nout++; |
| if (ph->ph_nmissing == 0) { |
if (ph->ph_nmissing == 0) { |
| Line 1013 pool_get(struct pool *pp, int flags) |
|
| Line 826 pool_get(struct pool *pp, int flags) |
|
| LIST_INSERT_HEAD(&pp->pr_partpages, ph, ph_pagelist); |
LIST_INSERT_HEAD(&pp->pr_partpages, ph, ph_pagelist); |
| } |
} |
| ph->ph_nmissing++; |
ph->ph_nmissing++; |
| if (ph->ph_nmissing == pp->pr_itemsperpage) { |
if (TAILQ_EMPTY(&ph->ph_itemlist)) { |
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (__predict_false((pp->pr_roflags & PR_NOTOUCH) == 0 && |
if (__predict_false(ph->ph_nmissing != pp->pr_itemsperpage)) { |
| !LIST_EMPTY(&ph->ph_itemlist))) { |
|
| pr_leave(pp); |
pr_leave(pp); |
| simple_unlock(&pp->pr_slock); |
simple_unlock(&pp->pr_slock); |
| panic("pool_get: %s: nmissing inconsistent", |
panic("pool_get: %s: nmissing inconsistent", |
| Line 1055 pool_get(struct pool *pp, int flags) |
|
| Line 867 pool_get(struct pool *pp, int flags) |
|
| * Internal version of pool_put(). Pool is already locked/entered. |
* Internal version of pool_put(). Pool is already locked/entered. |
| */ |
*/ |
| static void |
static void |
| pool_do_put(struct pool *pp, void *v, struct pool_pagelist *pq) |
pool_do_put(struct pool *pp, void *v) |
| { |
{ |
| struct pool_item *pi = v; |
struct pool_item *pi = v; |
| struct pool_item_header *ph; |
struct pool_item_header *ph; |
| Line 1063 pool_do_put(struct pool *pp, void *v, st |
|
| Line 875 pool_do_put(struct pool *pp, void *v, st |
|
| int s; |
int s; |
| |
|
| LOCK_ASSERT(simple_lock_held(&pp->pr_slock)); |
LOCK_ASSERT(simple_lock_held(&pp->pr_slock)); |
| SCHED_ASSERT_UNLOCKED(); |
|
| |
|
| page = (caddr_t)((u_long)v & pp->pr_alloc->pa_pagemask); |
page = (caddr_t)((u_long)v & pp->pr_alloc->pa_pagemask); |
| |
|
| Line 1090 pool_do_put(struct pool *pp, void *v, st |
|
| Line 901 pool_do_put(struct pool *pp, void *v, st |
|
| /* |
/* |
| * Return to item list. |
* Return to item list. |
| */ |
*/ |
| if (pp->pr_roflags & PR_NOTOUCH) { |
|
| pr_item_notouch_put(pp, ph, v); |
|
| } else { |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| pi->pi_magic = PI_MAGIC; |
pi->pi_magic = PI_MAGIC; |
| #endif |
#endif |
| #ifdef DEBUG |
#ifdef DEBUG |
| { |
{ |
| int i, *ip = v; |
int i, *ip = v; |
| |
|
| for (i = 0; i < pp->pr_size / sizeof(int); i++) { |
for (i = 0; i < pp->pr_size / sizeof(int); i++) { |
| *ip++ = PI_MAGIC; |
*ip++ = PI_MAGIC; |
| } |
|
| } |
} |
| |
} |
| #endif |
#endif |
| |
|
| LIST_INSERT_HEAD(&ph->ph_itemlist, pi, pi_list); |
TAILQ_INSERT_HEAD(&ph->ph_itemlist, pi, pi_list); |
| } |
|
| KDASSERT(ph->ph_nmissing != 0); |
KDASSERT(ph->ph_nmissing != 0); |
| ph->ph_nmissing--; |
ph->ph_nmissing--; |
| pp->pr_nput++; |
pp->pr_nput++; |
| Line 1130 pool_do_put(struct pool *pp, void *v, st |
|
| Line 937 pool_do_put(struct pool *pp, void *v, st |
|
| * If this page is now empty, do one of two things: |
* If this page is now empty, do one of two things: |
| * |
* |
| * (1) If we have more pages than the page high water mark, |
* (1) If we have more pages than the page high water mark, |
| * free the page back to the system. ONLY CONSIDER |
* free the page back to the system. |
| * FREEING BACK A PAGE IF WE HAVE MORE THAN OUR MINIMUM PAGE |
|
| * CLAIM. |
|
| * |
* |
| * (2) Otherwise, move the page to the empty page list. |
* (2) Otherwise, move the page to the empty page list. |
| * |
* |
| Line 1141 pool_do_put(struct pool *pp, void *v, st |
|
| Line 946 pool_do_put(struct pool *pp, void *v, st |
|
| */ |
*/ |
| if (ph->ph_nmissing == 0) { |
if (ph->ph_nmissing == 0) { |
| pp->pr_nidle++; |
pp->pr_nidle++; |
| if (pp->pr_npages > pp->pr_minpages && |
if (pp->pr_npages > pp->pr_maxpages || |
| (pp->pr_npages > pp->pr_maxpages || |
(pp->pr_alloc->pa_flags & PA_WANT) != 0) { |
| (pp->pr_alloc->pa_flags & PA_WANT) != 0)) { |
pr_rmpage(pp, ph, NULL); |
| pr_rmpage(pp, ph, pq); |
|
| } else { |
} else { |
| LIST_REMOVE(ph, ph_pagelist); |
LIST_REMOVE(ph, ph_pagelist); |
| LIST_INSERT_HEAD(&pp->pr_emptypages, ph, ph_pagelist); |
LIST_INSERT_HEAD(&pp->pr_emptypages, ph, ph_pagelist); |
| Line 1182 pool_do_put(struct pool *pp, void *v, st |
|
| Line 986 pool_do_put(struct pool *pp, void *v, st |
|
| void |
void |
| _pool_put(struct pool *pp, void *v, const char *file, long line) |
_pool_put(struct pool *pp, void *v, const char *file, long line) |
| { |
{ |
| struct pool_pagelist pq; |
|
| |
|
| LIST_INIT(&pq); |
|
| |
|
| simple_lock(&pp->pr_slock); |
simple_lock(&pp->pr_slock); |
| pr_enter(pp, file, line); |
pr_enter(pp, file, line); |
| |
|
| pr_log(pp, v, PRLOG_PUT, file, line); |
pr_log(pp, v, PRLOG_PUT, file, line); |
| |
|
| pool_do_put(pp, v, &pq); |
pool_do_put(pp, v); |
| |
|
| pr_leave(pp); |
pr_leave(pp); |
| simple_unlock(&pp->pr_slock); |
simple_unlock(&pp->pr_slock); |
| |
|
| pr_pagelist_free(pp, &pq); |
|
| } |
} |
| #undef pool_put |
#undef pool_put |
| #endif /* POOL_DIAGNOSTIC */ |
#endif /* POOL_DIAGNOSTIC */ |
| Line 1204 _pool_put(struct pool *pp, void *v, cons |
|
| Line 1003 _pool_put(struct pool *pp, void *v, cons |
|
| void |
void |
| pool_put(struct pool *pp, void *v) |
pool_put(struct pool *pp, void *v) |
| { |
{ |
| struct pool_pagelist pq; |
|
| |
|
| LIST_INIT(&pq); |
|
| |
|
| simple_lock(&pp->pr_slock); |
simple_lock(&pp->pr_slock); |
| pool_do_put(pp, v, &pq); |
|
| simple_unlock(&pp->pr_slock); |
|
| |
|
| pr_pagelist_free(pp, &pq); |
pool_do_put(pp, v); |
| |
|
| |
simple_unlock(&pp->pr_slock); |
| } |
} |
| |
|
| #ifdef POOL_DIAGNOSTIC |
#ifdef POOL_DIAGNOSTIC |
| Line 1238 pool_prime(struct pool *pp, int n) |
|
| Line 1034 pool_prime(struct pool *pp, int n) |
|
| cp = pool_allocator_alloc(pp, PR_NOWAIT); |
cp = pool_allocator_alloc(pp, PR_NOWAIT); |
| if (__predict_true(cp != NULL)) |
if (__predict_true(cp != NULL)) |
| ph = pool_alloc_item_header(pp, cp, PR_NOWAIT); |
ph = pool_alloc_item_header(pp, cp, PR_NOWAIT); |
| |
simple_lock(&pp->pr_slock); |
| |
|
| if (__predict_false(cp == NULL || ph == NULL)) { |
if (__predict_false(cp == NULL || ph == NULL)) { |
| if (cp != NULL) |
if (cp != NULL) |
| pool_allocator_free(pp, cp); |
pool_allocator_free(pp, cp); |
| simple_lock(&pp->pr_slock); |
|
| break; |
break; |
| } |
} |
| |
|
| simple_lock(&pp->pr_slock); |
|
| pool_prime_page(pp, cp, ph); |
pool_prime_page(pp, cp, ph); |
| pp->pr_npagealloc++; |
pp->pr_npagealloc++; |
| pp->pr_minpages++; |
pp->pr_minpages++; |
| Line 1272 pool_prime_page(struct pool *pp, caddr_t |
|
| Line 1067 pool_prime_page(struct pool *pp, caddr_t |
|
| unsigned int align = pp->pr_align; |
unsigned int align = pp->pr_align; |
| unsigned int ioff = pp->pr_itemoffset; |
unsigned int ioff = pp->pr_itemoffset; |
| int n; |
int n; |
| int s; |
|
| |
|
| LOCK_ASSERT(simple_lock_held(&pp->pr_slock)); |
|
| |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (((u_long)cp & (pp->pr_alloc->pa_pagesz - 1)) != 0) |
if (((u_long)cp & (pp->pr_alloc->pa_pagesz - 1)) != 0) |
| Line 1285 pool_prime_page(struct pool *pp, caddr_t |
|
| Line 1077 pool_prime_page(struct pool *pp, caddr_t |
|
| * Insert page header. |
* Insert page header. |
| */ |
*/ |
| LIST_INSERT_HEAD(&pp->pr_emptypages, ph, ph_pagelist); |
LIST_INSERT_HEAD(&pp->pr_emptypages, ph, ph_pagelist); |
| LIST_INIT(&ph->ph_itemlist); |
TAILQ_INIT(&ph->ph_itemlist); |
| ph->ph_page = storage; |
ph->ph_page = storage; |
| ph->ph_nmissing = 0; |
ph->ph_nmissing = 0; |
| s = splclock(); |
memset(&ph->ph_time, 0, sizeof(ph->ph_time)); |
| ph->ph_time = mono_time; |
|
| splx(s); |
|
| if ((pp->pr_roflags & PR_PHINPAGE) == 0) |
if ((pp->pr_roflags & PR_PHINPAGE) == 0) |
| SPLAY_INSERT(phtree, &pp->pr_phtree, ph); |
SPLAY_INSERT(phtree, &pp->pr_phtree, ph); |
| |
|
| Line 1315 pool_prime_page(struct pool *pp, caddr_t |
|
| Line 1105 pool_prime_page(struct pool *pp, caddr_t |
|
| n = pp->pr_itemsperpage; |
n = pp->pr_itemsperpage; |
| pp->pr_nitems += n; |
pp->pr_nitems += n; |
| |
|
| if (pp->pr_roflags & PR_NOTOUCH) { |
while (n--) { |
| pool_item_freelist_t *freelist = PR_FREELIST(ph); |
pi = (struct pool_item *)cp; |
| int i; |
|
| |
|
| ph->ph_off = cp - storage; |
|
| ph->ph_firstfree = 0; |
|
| for (i = 0; i < n - 1; i++) |
|
| freelist[i] = i + 1; |
|
| freelist[n - 1] = PR_INDEX_EOL; |
|
| } else { |
|
| while (n--) { |
|
| pi = (struct pool_item *)cp; |
|
| |
|
| KASSERT(((((vaddr_t)pi) + ioff) & (align - 1)) == 0); |
KASSERT(((((vaddr_t)pi) + ioff) & (align - 1)) == 0); |
| |
|
| /* Insert on page list */ |
/* Insert on page list */ |
| LIST_INSERT_HEAD(&ph->ph_itemlist, pi, pi_list); |
TAILQ_INSERT_TAIL(&ph->ph_itemlist, pi, pi_list); |
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| pi->pi_magic = PI_MAGIC; |
pi->pi_magic = PI_MAGIC; |
| #endif |
#endif |
| cp = (caddr_t)(cp + pp->pr_size); |
cp = (caddr_t)(cp + pp->pr_size); |
| } |
|
| } |
} |
| |
|
| /* |
/* |
| Line 1376 pool_catchup(struct pool *pp) |
|
| Line 1155 pool_catchup(struct pool *pp) |
|
| cp = pool_allocator_alloc(pp, PR_NOWAIT); |
cp = pool_allocator_alloc(pp, PR_NOWAIT); |
| if (__predict_true(cp != NULL)) |
if (__predict_true(cp != NULL)) |
| ph = pool_alloc_item_header(pp, cp, PR_NOWAIT); |
ph = pool_alloc_item_header(pp, cp, PR_NOWAIT); |
| |
simple_lock(&pp->pr_slock); |
| if (__predict_false(cp == NULL || ph == NULL)) { |
if (__predict_false(cp == NULL || ph == NULL)) { |
| if (cp != NULL) |
if (cp != NULL) |
| pool_allocator_free(pp, cp); |
pool_allocator_free(pp, cp); |
| error = ENOMEM; |
error = ENOMEM; |
| simple_lock(&pp->pr_slock); |
|
| break; |
break; |
| } |
} |
| simple_lock(&pp->pr_slock); |
|
| pool_prime_page(pp, cp, ph); |
pool_prime_page(pp, cp, ph); |
| pp->pr_npagealloc++; |
pp->pr_npagealloc++; |
| } |
} |
| Line 1472 pool_reclaim(struct pool *pp) |
|
| Line 1250 pool_reclaim(struct pool *pp) |
|
| { |
{ |
| struct pool_item_header *ph, *phnext; |
struct pool_item_header *ph, *phnext; |
| struct pool_cache *pc; |
struct pool_cache *pc; |
| |
struct timeval curtime; |
| struct pool_pagelist pq; |
struct pool_pagelist pq; |
| struct pool_cache_grouplist pcgl; |
struct timeval diff; |
| struct timeval curtime, diff; |
|
| int s; |
int s; |
| |
|
| if (pp->pr_drain_hook != NULL) { |
if (pp->pr_drain_hook != NULL) { |
| Line 1489 pool_reclaim(struct pool *pp) |
|
| Line 1267 pool_reclaim(struct pool *pp) |
|
| pr_enter(pp, file, line); |
pr_enter(pp, file, line); |
| |
|
| LIST_INIT(&pq); |
LIST_INIT(&pq); |
| LIST_INIT(&pcgl); |
|
| |
|
| /* |
/* |
| * Reclaim items from the pool's caches. |
* Reclaim items from the pool's caches. |
| */ |
*/ |
| LIST_FOREACH(pc, &pp->pr_cachelist, pc_poollist) |
TAILQ_FOREACH(pc, &pp->pr_cachelist, pc_poollist) |
| pool_cache_reclaim(pc, &pq, &pcgl); |
pool_cache_reclaim(pc); |
| |
|
| s = splclock(); |
s = splclock(); |
| curtime = mono_time; |
curtime = mono_time; |
| Line 1526 pool_reclaim(struct pool *pp) |
|
| Line 1303 pool_reclaim(struct pool *pp) |
|
| |
|
| pr_leave(pp); |
pr_leave(pp); |
| simple_unlock(&pp->pr_slock); |
simple_unlock(&pp->pr_slock); |
| if (LIST_EMPTY(&pq) && LIST_EMPTY(&pcgl)) |
if (LIST_EMPTY(&pq)) |
| return 0; |
return (0); |
| |
|
| |
while ((ph = LIST_FIRST(&pq)) != NULL) { |
| |
LIST_REMOVE(ph, ph_pagelist); |
| |
pool_allocator_free(pp, ph->ph_page); |
| |
if (pp->pr_roflags & PR_PHINPAGE) { |
| |
continue; |
| |
} |
| |
SPLAY_REMOVE(phtree, &pp->pr_phtree, ph); |
| |
s = splvm(); |
| |
pool_put(&phpool, ph); |
| |
splx(s); |
| |
} |
| |
|
| pr_pagelist_free(pp, &pq); |
|
| pcg_grouplist_free(&pcgl); |
|
| return (1); |
return (1); |
| } |
} |
| |
|
| Line 1549 pool_drain(void *arg) |
|
| Line 1336 pool_drain(void *arg) |
|
| s = splvm(); |
s = splvm(); |
| simple_lock(&pool_head_slock); |
simple_lock(&pool_head_slock); |
| if (drainpp == NULL) { |
if (drainpp == NULL) { |
| drainpp = LIST_FIRST(&pool_head); |
drainpp = TAILQ_FIRST(&pool_head); |
| } |
} |
| if (drainpp) { |
if (drainpp) { |
| pp = drainpp; |
pp = drainpp; |
| drainpp = LIST_NEXT(pp, pr_poollist); |
drainpp = TAILQ_NEXT(pp, pr_poollist); |
| } |
} |
| simple_unlock(&pool_head_slock); |
simple_unlock(&pool_head_slock); |
| pool_reclaim(pp); |
pool_reclaim(pp); |
| Line 1581 pool_print(struct pool *pp, const char * |
|
| Line 1368 pool_print(struct pool *pp, const char * |
|
| } |
} |
| |
|
| void |
void |
| pool_printall(const char *modif, void (*pr)(const char *, ...)) |
|
| { |
|
| struct pool *pp; |
|
| |
|
| if (simple_lock_try(&pool_head_slock) == 0) { |
|
| (*pr)("WARNING: pool_head_slock is locked\n"); |
|
| } else { |
|
| simple_unlock(&pool_head_slock); |
|
| } |
|
| |
|
| LIST_FOREACH(pp, &pool_head, pr_poollist) { |
|
| pool_printit(pp, modif, pr); |
|
| } |
|
| } |
|
| |
|
| void |
|
| pool_printit(struct pool *pp, const char *modif, void (*pr)(const char *, ...)) |
pool_printit(struct pool *pp, const char *modif, void (*pr)(const char *, ...)) |
| { |
{ |
| |
int didlock = 0; |
| |
|
| if (pp == NULL) { |
if (pp == NULL) { |
| (*pr)("Must specify a pool to print.\n"); |
(*pr)("Must specify a pool to print.\n"); |
| Line 1617 pool_printit(struct pool *pp, const char |
|
| Line 1389 pool_printit(struct pool *pp, const char |
|
| if (simple_lock_try(&pp->pr_slock) == 0) |
if (simple_lock_try(&pp->pr_slock) == 0) |
| (*pr)("WARNING: pool %s is locked\n", pp->pr_wchan); |
(*pr)("WARNING: pool %s is locked\n", pp->pr_wchan); |
| else |
else |
| simple_unlock(&pp->pr_slock); |
didlock = 1; |
| |
|
| pool_print1(pp, modif, pr); |
pool_print1(pp, modif, pr); |
| |
|
| |
if (didlock) |
| |
simple_unlock(&pp->pr_slock); |
| } |
} |
| |
|
| static void |
static void |
| pool_print_pagelist(struct pool *pp, struct pool_pagelist *pl, |
pool_print_pagelist(struct pool_pagelist *pl, void (*pr)(const char *, ...)) |
| void (*pr)(const char *, ...)) |
|
| { |
{ |
| struct pool_item_header *ph; |
struct pool_item_header *ph; |
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| Line 1637 pool_print_pagelist(struct pool *pp, str |
|
| Line 1411 pool_print_pagelist(struct pool *pp, str |
|
| (u_long)ph->ph_time.tv_sec, |
(u_long)ph->ph_time.tv_sec, |
| (u_long)ph->ph_time.tv_usec); |
(u_long)ph->ph_time.tv_usec); |
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (!(pp->pr_roflags & PR_NOTOUCH)) { |
TAILQ_FOREACH(pi, &ph->ph_itemlist, pi_list) { |
| LIST_FOREACH(pi, &ph->ph_itemlist, pi_list) { |
if (pi->pi_magic != PI_MAGIC) { |
| if (pi->pi_magic != PI_MAGIC) { |
(*pr)("\t\t\titem %p, magic 0x%x\n", |
| (*pr)("\t\t\titem %p, magic 0x%x\n", |
pi, pi->pi_magic); |
| pi, pi->pi_magic); |
|
| } |
|
| } |
} |
| } |
} |
| #endif |
#endif |
| Line 1686 pool_print1(struct pool *pp, const char |
|
| Line 1458 pool_print1(struct pool *pp, const char |
|
| |
|
| if ((ph = LIST_FIRST(&pp->pr_emptypages)) != NULL) |
if ((ph = LIST_FIRST(&pp->pr_emptypages)) != NULL) |
| (*pr)("\n\tempty page list:\n"); |
(*pr)("\n\tempty page list:\n"); |
| pool_print_pagelist(pp, &pp->pr_emptypages, pr); |
pool_print_pagelist(&pp->pr_emptypages, pr); |
| if ((ph = LIST_FIRST(&pp->pr_fullpages)) != NULL) |
if ((ph = LIST_FIRST(&pp->pr_fullpages)) != NULL) |
| (*pr)("\n\tfull page list:\n"); |
(*pr)("\n\tfull page list:\n"); |
| pool_print_pagelist(pp, &pp->pr_fullpages, pr); |
pool_print_pagelist(&pp->pr_fullpages, pr); |
| if ((ph = LIST_FIRST(&pp->pr_partpages)) != NULL) |
if ((ph = LIST_FIRST(&pp->pr_partpages)) != NULL) |
| (*pr)("\n\tpartial-page list:\n"); |
(*pr)("\n\tpartial-page list:\n"); |
| pool_print_pagelist(pp, &pp->pr_partpages, pr); |
pool_print_pagelist(&pp->pr_partpages, pr); |
| |
|
| if (pp->pr_curpage == NULL) |
if (pp->pr_curpage == NULL) |
| (*pr)("\tno current page\n"); |
(*pr)("\tno current page\n"); |
| Line 1713 pool_print1(struct pool *pp, const char |
|
| Line 1485 pool_print1(struct pool *pp, const char |
|
| if (print_cache == 0) |
if (print_cache == 0) |
| goto skip_cache; |
goto skip_cache; |
| |
|
| #define PR_GROUPLIST(pcg) \ |
TAILQ_FOREACH(pc, &pp->pr_cachelist, pc_poollist) { |
| (*pr)("\t\tgroup %p: avail %d\n", pcg, pcg->pcg_avail); \ |
(*pr)("\tcache %p: allocfrom %p freeto %p\n", pc, |
| for (i = 0; i < PCG_NOBJECTS; i++) { \ |
pc->pc_allocfrom, pc->pc_freeto); |
| if (pcg->pcg_objects[i].pcgo_pa != \ |
|
| POOL_PADDR_INVALID) { \ |
|
| (*pr)("\t\t\t%p, 0x%llx\n", \ |
|
| pcg->pcg_objects[i].pcgo_va, \ |
|
| (unsigned long long) \ |
|
| pcg->pcg_objects[i].pcgo_pa); \ |
|
| } else { \ |
|
| (*pr)("\t\t\t%p\n", \ |
|
| pcg->pcg_objects[i].pcgo_va); \ |
|
| } \ |
|
| } |
|
| |
|
| LIST_FOREACH(pc, &pp->pr_cachelist, pc_poollist) { |
|
| (*pr)("\tcache %p\n", pc); |
|
| (*pr)("\t hits %lu misses %lu ngroups %lu nitems %lu\n", |
(*pr)("\t hits %lu misses %lu ngroups %lu nitems %lu\n", |
| pc->pc_hits, pc->pc_misses, pc->pc_ngroups, pc->pc_nitems); |
pc->pc_hits, pc->pc_misses, pc->pc_ngroups, pc->pc_nitems); |
| (*pr)("\t full groups:\n"); |
TAILQ_FOREACH(pcg, &pc->pc_grouplist, pcg_list) { |
| LIST_FOREACH(pcg, &pc->pc_fullgroups, pcg_list) { |
(*pr)("\t\tgroup %p: avail %d\n", pcg, pcg->pcg_avail); |
| PR_GROUPLIST(pcg); |
for (i = 0; i < PCG_NOBJECTS; i++) { |
| } |
if (pcg->pcg_objects[i].pcgo_pa != |
| (*pr)("\t partial groups:\n"); |
POOL_PADDR_INVALID) { |
| LIST_FOREACH(pcg, &pc->pc_partgroups, pcg_list) { |
(*pr)("\t\t\t%p, 0x%llx\n", |
| PR_GROUPLIST(pcg); |
pcg->pcg_objects[i].pcgo_va, |
| } |
(unsigned long long) |
| (*pr)("\t empty groups:\n"); |
pcg->pcg_objects[i].pcgo_pa); |
| LIST_FOREACH(pcg, &pc->pc_emptygroups, pcg_list) { |
} else { |
| PR_GROUPLIST(pcg); |
(*pr)("\t\t\t%p\n", |
| |
pcg->pcg_objects[i].pcgo_va); |
| |
} |
| |
} |
| } |
} |
| } |
} |
| #undef PR_GROUPLIST |
|
| |
|
| skip_cache: |
skip_cache: |
| pr_enter_check(pp, pr); |
pr_enter_check(pp, pr); |
| Line 1770 pool_chk_page(struct pool *pp, const cha |
|
| Line 1530 pool_chk_page(struct pool *pp, const cha |
|
| return 1; |
return 1; |
| } |
} |
| |
|
| if ((pp->pr_roflags & PR_NOTOUCH) != 0) |
for (pi = TAILQ_FIRST(&ph->ph_itemlist), n = 0; |
| return 0; |
|
| |
|
| for (pi = LIST_FIRST(&ph->ph_itemlist), n = 0; |
|
| pi != NULL; |
pi != NULL; |
| pi = LIST_NEXT(pi,pi_list), n++) { |
pi = TAILQ_NEXT(pi,pi_list), n++) { |
| |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (pi->pi_magic != PI_MAGIC) { |
if (pi->pi_magic != PI_MAGIC) { |
| Line 1852 pool_cache_init(struct pool_cache *pc, s |
|
| Line 1609 pool_cache_init(struct pool_cache *pc, s |
|
| void *arg) |
void *arg) |
| { |
{ |
| |
|
| LIST_INIT(&pc->pc_emptygroups); |
TAILQ_INIT(&pc->pc_grouplist); |
| LIST_INIT(&pc->pc_fullgroups); |
|
| LIST_INIT(&pc->pc_partgroups); |
|
| simple_lock_init(&pc->pc_slock); |
simple_lock_init(&pc->pc_slock); |
| |
|
| |
pc->pc_allocfrom = NULL; |
| |
pc->pc_freeto = NULL; |
| pc->pc_pool = pp; |
pc->pc_pool = pp; |
| |
|
| pc->pc_ctor = ctor; |
pc->pc_ctor = ctor; |
| Line 1871 pool_cache_init(struct pool_cache *pc, s |
|
| Line 1628 pool_cache_init(struct pool_cache *pc, s |
|
| pc->pc_nitems = 0; |
pc->pc_nitems = 0; |
| |
|
| simple_lock(&pp->pr_slock); |
simple_lock(&pp->pr_slock); |
| LIST_INSERT_HEAD(&pp->pr_cachelist, pc, pc_poollist); |
TAILQ_INSERT_TAIL(&pp->pr_cachelist, pc, pc_poollist); |
| simple_unlock(&pp->pr_slock); |
simple_unlock(&pp->pr_slock); |
| } |
} |
| |
|
| Line 1890 pool_cache_destroy(struct pool_cache *pc |
|
| Line 1647 pool_cache_destroy(struct pool_cache *pc |
|
| |
|
| /* ...and remove it from the pool's cache list. */ |
/* ...and remove it from the pool's cache list. */ |
| simple_lock(&pp->pr_slock); |
simple_lock(&pp->pr_slock); |
| LIST_REMOVE(pc, pc_poollist); |
TAILQ_REMOVE(&pp->pr_cachelist, pc, pc_poollist); |
| simple_unlock(&pp->pr_slock); |
simple_unlock(&pp->pr_slock); |
| } |
} |
| |
|
| Line 1926 pcg_put(struct pool_cache_group *pcg, vo |
|
| Line 1683 pcg_put(struct pool_cache_group *pcg, vo |
|
| pcg->pcg_objects[idx].pcgo_pa = pa; |
pcg->pcg_objects[idx].pcgo_pa = pa; |
| } |
} |
| |
|
| static void |
|
| pcg_grouplist_free(struct pool_cache_grouplist *pcgl) |
|
| { |
|
| struct pool_cache_group *pcg; |
|
| int s; |
|
| |
|
| s = splvm(); |
|
| while ((pcg = LIST_FIRST(pcgl)) != NULL) { |
|
| LIST_REMOVE(pcg, pcg_list); |
|
| pool_put(&pcgpool, pcg); |
|
| } |
|
| splx(s); |
|
| } |
|
| |
|
| /* |
/* |
| * pool_cache_get{,_paddr}: |
* pool_cache_get{,_paddr}: |
| * |
* |
| Line 1959 pool_cache_get_paddr(struct pool_cache * |
|
| Line 1702 pool_cache_get_paddr(struct pool_cache * |
|
| |
|
| simple_lock(&pc->pc_slock); |
simple_lock(&pc->pc_slock); |
| |
|
| pcg = LIST_FIRST(&pc->pc_partgroups); |
if ((pcg = pc->pc_allocfrom) == NULL) { |
| if (pcg == NULL) { |
TAILQ_FOREACH(pcg, &pc->pc_grouplist, pcg_list) { |
| pcg = LIST_FIRST(&pc->pc_fullgroups); |
if (pcg->pcg_avail != 0) { |
| if (pcg != NULL) { |
pc->pc_allocfrom = pcg; |
| LIST_REMOVE(pcg, pcg_list); |
goto have_group; |
| LIST_INSERT_HEAD(&pc->pc_partgroups, pcg, pcg_list); |
} |
| } |
} |
| } |
|
| if (pcg == NULL) { |
|
| |
|
| /* |
/* |
| * No groups with any available objects. Allocate |
* No groups with any available objects. Allocate |
| Line 1994 pool_cache_get_paddr(struct pool_cache * |
|
| Line 1735 pool_cache_get_paddr(struct pool_cache * |
|
| return (object); |
return (object); |
| } |
} |
| |
|
| |
have_group: |
| pc->pc_hits++; |
pc->pc_hits++; |
| pc->pc_nitems--; |
pc->pc_nitems--; |
| object = pcg_get(pcg, pap); |
object = pcg_get(pcg, pap); |
| |
|
| if (pcg->pcg_avail == 0) { |
if (pcg->pcg_avail == 0) |
| LIST_REMOVE(pcg, pcg_list); |
pc->pc_allocfrom = NULL; |
| LIST_INSERT_HEAD(&pc->pc_emptygroups, pcg, pcg_list); |
|
| } |
|
| simple_unlock(&pc->pc_slock); |
simple_unlock(&pc->pc_slock); |
| |
|
| return (object); |
return (object); |
| Line 2021 pool_cache_put_paddr(struct pool_cache * |
|
| Line 1762 pool_cache_put_paddr(struct pool_cache * |
|
| |
|
| simple_lock(&pc->pc_slock); |
simple_lock(&pc->pc_slock); |
| |
|
| pcg = LIST_FIRST(&pc->pc_partgroups); |
if ((pcg = pc->pc_freeto) == NULL) { |
| if (pcg == NULL) { |
TAILQ_FOREACH(pcg, &pc->pc_grouplist, pcg_list) { |
| pcg = LIST_FIRST(&pc->pc_emptygroups); |
if (pcg->pcg_avail != PCG_NOBJECTS) { |
| if (pcg != NULL) { |
pc->pc_freeto = pcg; |
| LIST_REMOVE(pcg, pcg_list); |
goto have_group; |
| LIST_INSERT_HEAD(&pc->pc_partgroups, pcg, pcg_list); |
} |
| } |
} |
| } |
|
| if (pcg == NULL) { |
|
| |
|
| /* |
/* |
| * No empty groups to free the object to. Attempt to |
* No empty groups to free the object to. Attempt to |
| Line 2039 pool_cache_put_paddr(struct pool_cache * |
|
| Line 1778 pool_cache_put_paddr(struct pool_cache * |
|
| s = splvm(); |
s = splvm(); |
| pcg = pool_get(&pcgpool, PR_NOWAIT); |
pcg = pool_get(&pcgpool, PR_NOWAIT); |
| splx(s); |
splx(s); |
| if (pcg == NULL) { |
if (pcg != NULL) { |
| |
memset(pcg, 0, sizeof(*pcg)); |
| /* |
simple_lock(&pc->pc_slock); |
| * Unable to allocate a cache group; destruct the object |
pc->pc_ngroups++; |
| * and free it back to the pool. |
TAILQ_INSERT_TAIL(&pc->pc_grouplist, pcg, pcg_list); |
| */ |
if (pc->pc_freeto == NULL) |
| pool_cache_destruct_object(pc, object); |
pc->pc_freeto = pcg; |
| return; |
goto have_group; |
| } |
} |
| memset(pcg, 0, sizeof(*pcg)); |
|
| simple_lock(&pc->pc_slock); |
/* |
| pc->pc_ngroups++; |
* Unable to allocate a cache group; destruct the object |
| LIST_INSERT_HEAD(&pc->pc_partgroups, pcg, pcg_list); |
* and free it back to the pool. |
| |
*/ |
| |
pool_cache_destruct_object(pc, object); |
| |
return; |
| } |
} |
| |
|
| |
have_group: |
| pc->pc_nitems++; |
pc->pc_nitems++; |
| pcg_put(pcg, object, pa); |
pcg_put(pcg, object, pa); |
| |
|
| if (pcg->pcg_avail == PCG_NOBJECTS) { |
if (pcg->pcg_avail == PCG_NOBJECTS) |
| LIST_REMOVE(pcg, pcg_list); |
pc->pc_freeto = NULL; |
| LIST_INSERT_HEAD(&pc->pc_fullgroups, pcg, pcg_list); |
|
| } |
|
| simple_unlock(&pc->pc_slock); |
simple_unlock(&pc->pc_slock); |
| } |
} |
| |
|
| Line 2079 pool_cache_destruct_object(struct pool_c |
|
| Line 1821 pool_cache_destruct_object(struct pool_c |
|
| pool_put(pc->pc_pool, object); |
pool_put(pc->pc_pool, object); |
| } |
} |
| |
|
| |
/* |
| |
* pool_cache_do_invalidate: |
| |
* |
| |
* This internal function implements pool_cache_invalidate() and |
| |
* pool_cache_reclaim(). |
| |
*/ |
| static void |
static void |
| pool_do_cache_invalidate_grouplist(struct pool_cache_grouplist *pcgsl, |
pool_cache_do_invalidate(struct pool_cache *pc, int free_groups, |
| struct pool_cache *pc, struct pool_pagelist *pq, |
void (*putit)(struct pool *, void *)) |
| struct pool_cache_grouplist *pcgdl) |
|
| { |
{ |
| struct pool_cache_group *pcg, *npcg; |
struct pool_cache_group *pcg, *npcg; |
| void *object; |
void *object; |
| |
int s; |
| |
|
| for (pcg = LIST_FIRST(pcgsl); pcg != NULL; pcg = npcg) { |
for (pcg = TAILQ_FIRST(&pc->pc_grouplist); pcg != NULL; |
| npcg = LIST_NEXT(pcg, pcg_list); |
pcg = npcg) { |
| |
npcg = TAILQ_NEXT(pcg, pcg_list); |
| while (pcg->pcg_avail != 0) { |
while (pcg->pcg_avail != 0) { |
| pc->pc_nitems--; |
pc->pc_nitems--; |
| object = pcg_get(pcg, NULL); |
object = pcg_get(pcg, NULL); |
| |
if (pcg->pcg_avail == 0 && pc->pc_allocfrom == pcg) |
| |
pc->pc_allocfrom = NULL; |
| if (pc->pc_dtor != NULL) |
if (pc->pc_dtor != NULL) |
| (*pc->pc_dtor)(pc->pc_arg, object); |
(*pc->pc_dtor)(pc->pc_arg, object); |
| pool_do_put(pc->pc_pool, object, pq); |
(*putit)(pc->pc_pool, object); |
| |
} |
| |
if (free_groups) { |
| |
pc->pc_ngroups--; |
| |
TAILQ_REMOVE(&pc->pc_grouplist, pcg, pcg_list); |
| |
if (pc->pc_freeto == pcg) |
| |
pc->pc_freeto = NULL; |
| |
s = splvm(); |
| |
pool_put(&pcgpool, pcg); |
| |
splx(s); |
| } |
} |
| pc->pc_ngroups--; |
|
| LIST_REMOVE(pcg, pcg_list); |
|
| LIST_INSERT_HEAD(pcgdl, pcg, pcg_list); |
|
| } |
} |
| } |
} |
| |
|
| static void |
|
| pool_do_cache_invalidate(struct pool_cache *pc, struct pool_pagelist *pq, |
|
| struct pool_cache_grouplist *pcgl) |
|
| { |
|
| |
|
| LOCK_ASSERT(simple_lock_held(&pc->pc_slock)); |
|
| LOCK_ASSERT(simple_lock_held(&pc->pc_pool->pr_slock)); |
|
| |
|
| pool_do_cache_invalidate_grouplist(&pc->pc_fullgroups, pc, pq, pcgl); |
|
| pool_do_cache_invalidate_grouplist(&pc->pc_partgroups, pc, pq, pcgl); |
|
| |
|
| KASSERT(LIST_EMPTY(&pc->pc_partgroups)); |
|
| KASSERT(LIST_EMPTY(&pc->pc_fullgroups)); |
|
| KASSERT(pc->pc_nitems == 0); |
|
| } |
|
| |
|
| /* |
/* |
| * pool_cache_invalidate: |
* pool_cache_invalidate: |
| * |
* |
| Line 2127 pool_do_cache_invalidate(struct pool_cac |
|
| Line 1868 pool_do_cache_invalidate(struct pool_cac |
|
| void |
void |
| pool_cache_invalidate(struct pool_cache *pc) |
pool_cache_invalidate(struct pool_cache *pc) |
| { |
{ |
| struct pool_pagelist pq; |
|
| struct pool_cache_grouplist pcgl; |
|
| |
|
| LIST_INIT(&pq); |
|
| LIST_INIT(&pcgl); |
|
| |
|
| simple_lock(&pc->pc_slock); |
simple_lock(&pc->pc_slock); |
| simple_lock(&pc->pc_pool->pr_slock); |
pool_cache_do_invalidate(pc, 0, pool_put); |
| |
|
| pool_do_cache_invalidate(pc, &pq, &pcgl); |
|
| |
|
| simple_unlock(&pc->pc_pool->pr_slock); |
|
| simple_unlock(&pc->pc_slock); |
simple_unlock(&pc->pc_slock); |
| |
|
| pr_pagelist_free(pc->pc_pool, &pq); |
|
| pcg_grouplist_free(&pcgl); |
|
| } |
} |
| |
|
| /* |
/* |
| Line 2151 pool_cache_invalidate(struct pool_cache |
|
| Line 1880 pool_cache_invalidate(struct pool_cache |
|
| * Reclaim a pool cache for pool_reclaim(). |
* Reclaim a pool cache for pool_reclaim(). |
| */ |
*/ |
| static void |
static void |
| pool_cache_reclaim(struct pool_cache *pc, struct pool_pagelist *pq, |
pool_cache_reclaim(struct pool_cache *pc) |
| struct pool_cache_grouplist *pcgl) |
|
| { |
{ |
| |
|
| /* |
simple_lock(&pc->pc_slock); |
| * We're locking in the wrong order (normally pool_cache -> pool, |
pool_cache_do_invalidate(pc, 1, pool_do_put); |
| * but the pool is already locked when we get here), so we have |
|
| * to use trylock. If we can't lock the pool_cache, it's not really |
|
| * a big deal here. |
|
| */ |
|
| if (simple_lock_try(&pc->pc_slock) == 0) |
|
| return; |
|
| |
|
| pool_do_cache_invalidate(pc, pq, pcgl); |
|
| |
|
| simple_unlock(&pc->pc_slock); |
simple_unlock(&pc->pc_slock); |
| } |
} |
| |
|
| Line 2228 pool_allocator_alloc(struct pool *org, i |
|
| Line 1947 pool_allocator_alloc(struct pool *org, i |
|
| int s, freed; |
int s, freed; |
| void *res; |
void *res; |
| |
|
| LOCK_ASSERT(!simple_lock_held(&org->pr_slock)); |
|
| |
|
| do { |
do { |
| if ((res = (*pa->pa_alloc)(org, flags)) != NULL) |
if ((res = (*pa->pa_alloc)(org, flags)) != NULL) |
| return (res); |
return (res); |
| Line 2300 pool_allocator_free(struct pool *pp, voi |
|
| Line 2017 pool_allocator_free(struct pool *pp, voi |
|
| struct pool_allocator *pa = pp->pr_alloc; |
struct pool_allocator *pa = pp->pr_alloc; |
| int s; |
int s; |
| |
|
| LOCK_ASSERT(!simple_lock_held(&pp->pr_slock)); |
|
| |
|
| (*pa->pa_free)(pp, v); |
(*pa->pa_free)(pp, v); |
| |
|
| s = splvm(); |
s = splvm(); |
| Line 2330 pool_page_alloc(struct pool *pp, int fla |
|
| Line 2045 pool_page_alloc(struct pool *pp, int fla |
|
| { |
{ |
| boolean_t waitok = (flags & PR_WAITOK) ? TRUE : FALSE; |
boolean_t waitok = (flags & PR_WAITOK) ? TRUE : FALSE; |
| |
|
| return ((void *) uvm_km_alloc_poolpage_cache(kmem_map, waitok)); |
return ((void *) uvm_km_alloc_poolpage(waitok)); |
| } |
} |
| |
|
| void |
void |
| pool_page_free(struct pool *pp, void *v) |
pool_page_free(struct pool *pp, void *v) |
| { |
{ |
| |
|
| uvm_km_free_poolpage_cache(kmem_map, (vaddr_t) v); |
uvm_km_free_poolpage((vaddr_t) v); |
| } |
|
| |
|
| static void * |
|
| pool_page_alloc_meta(struct pool *pp, int flags) |
|
| { |
|
| boolean_t waitok = (flags & PR_WAITOK) ? TRUE : FALSE; |
|
| |
|
| return ((void *) uvm_km_alloc_poolpage(kmem_map, waitok)); |
|
| } |
|
| |
|
| static void |
|
| pool_page_free_meta(struct pool *pp, void *v) |
|
| { |
|
| |
|
| uvm_km_free_poolpage(kmem_map, (vaddr_t) v); |
|
| } |
} |
| |
|
| #ifdef POOL_SUBPAGE |
#ifdef POOL_SUBPAGE |
| Line 2360 pool_page_free_meta(struct pool *pp, voi |
|
| Line 2060 pool_page_free_meta(struct pool *pp, voi |
|
| void * |
void * |
| pool_subpage_alloc(struct pool *pp, int flags) |
pool_subpage_alloc(struct pool *pp, int flags) |
| { |
{ |
| void *v; |
|
| int s; |
return (pool_get(&psppool, flags)); |
| s = splvm(); |
|
| v = pool_get(&psppool, flags); |
|
| splx(s); |
|
| return v; |
|
| } |
} |
| |
|
| void |
void |
| pool_subpage_free(struct pool *pp, void *v) |
pool_subpage_free(struct pool *pp, void *v) |
| { |
{ |
| int s; |
|
| s = splvm(); |
|
| pool_put(&psppool, v); |
pool_put(&psppool, v); |
| splx(s); |
|
| } |
} |
| |
|
| /* We don't provide a real nointr allocator. Maybe later. */ |
/* We don't provide a real nointr allocator. Maybe later. */ |
| Line 2397 pool_page_alloc_nointr(struct pool *pp, |
|
| Line 2091 pool_page_alloc_nointr(struct pool *pp, |
|
| { |
{ |
| boolean_t waitok = (flags & PR_WAITOK) ? TRUE : FALSE; |
boolean_t waitok = (flags & PR_WAITOK) ? TRUE : FALSE; |
| |
|
| return ((void *) uvm_km_alloc_poolpage_cache(kernel_map, waitok)); |
return ((void *) uvm_km_alloc_poolpage1(kernel_map, |
| |
uvm.kernel_object, waitok)); |
| } |
} |
| |
|
| void |
void |
| pool_page_free_nointr(struct pool *pp, void *v) |
pool_page_free_nointr(struct pool *pp, void *v) |
| { |
{ |
| |
|
| uvm_km_free_poolpage_cache(kernel_map, (vaddr_t) v); |
uvm_km_free_poolpage1(kernel_map, (vaddr_t) v); |
| } |
} |
| #endif /* POOL_SUBPAGE */ |
#endif /* POOL_SUBPAGE */ |