| version 1.190.6.2, 2012/06/02 11:09:33 |
version 1.191, 2012/01/27 19:48:40 |
|
|
| __KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
| |
|
| #include "opt_ddb.h" |
#include "opt_ddb.h" |
| |
#include "opt_pool.h" |
| |
#include "opt_poollog.h" |
| #include "opt_lockdebug.h" |
#include "opt_lockdebug.h" |
| |
|
| #include <sys/param.h> |
#include <sys/param.h> |
| Line 43 __KERNEL_RCSID(0, "$NetBSD$"); |
|
| Line 45 __KERNEL_RCSID(0, "$NetBSD$"); |
|
| #include <sys/proc.h> |
#include <sys/proc.h> |
| #include <sys/errno.h> |
#include <sys/errno.h> |
| #include <sys/kernel.h> |
#include <sys/kernel.h> |
| |
#include <sys/malloc.h> |
| #include <sys/vmem.h> |
#include <sys/vmem.h> |
| #include <sys/pool.h> |
#include <sys/pool.h> |
| #include <sys/syslog.h> |
#include <sys/syslog.h> |
| Line 210 static void pool_print1(struct pool *, c |
|
| Line 213 static void pool_print1(struct pool *, c |
|
| static int pool_chk_page(struct pool *, const char *, |
static int pool_chk_page(struct pool *, const char *, |
| struct pool_item_header *); |
struct pool_item_header *); |
| |
|
| |
/* |
| |
* Pool log entry. An array of these is allocated in pool_init(). |
| |
*/ |
| |
struct pool_log { |
| |
const char *pl_file; |
| |
long pl_line; |
| |
int pl_action; |
| |
#define PRLOG_GET 1 |
| |
#define PRLOG_PUT 2 |
| |
void *pl_addr; |
| |
}; |
| |
|
| |
#ifdef POOL_DIAGNOSTIC |
| |
/* Number of entries in pool log buffers */ |
| |
#ifndef POOL_LOGSIZE |
| |
#define POOL_LOGSIZE 10 |
| |
#endif |
| |
|
| |
int pool_logsize = POOL_LOGSIZE; |
| |
|
| |
static inline void |
| |
pr_log(struct pool *pp, void *v, int action, const char *file, long line) |
| |
{ |
| |
int n; |
| |
struct pool_log *pl; |
| |
|
| |
if ((pp->pr_roflags & PR_LOGGING) == 0) |
| |
return; |
| |
|
| |
if (pp->pr_log == NULL) { |
| |
if (kmem_map != NULL) |
| |
pp->pr_log = malloc( |
| |
pool_logsize * sizeof(struct pool_log), |
| |
M_TEMP, M_NOWAIT | M_ZERO); |
| |
if (pp->pr_log == NULL) |
| |
return; |
| |
pp->pr_curlogentry = 0; |
| |
pp->pr_logsize = pool_logsize; |
| |
} |
| |
|
| |
/* |
| |
* Fill in the current entry. Wrap around and overwrite |
| |
* the oldest entry if necessary. |
| |
*/ |
| |
n = pp->pr_curlogentry; |
| |
pl = &pp->pr_log[n]; |
| |
pl->pl_file = file; |
| |
pl->pl_line = line; |
| |
pl->pl_action = action; |
| |
pl->pl_addr = v; |
| |
if (++n >= pp->pr_logsize) |
| |
n = 0; |
| |
pp->pr_curlogentry = n; |
| |
} |
| |
|
| |
static void |
| |
pr_printlog(struct pool *pp, struct pool_item *pi, |
| |
void (*pr)(const char *, ...)) |
| |
{ |
| |
int i = pp->pr_logsize; |
| |
int n = pp->pr_curlogentry; |
| |
|
| |
if (pp->pr_log == NULL) |
| |
return; |
| |
|
| |
/* |
| |
* Print all entries in this pool's log. |
| |
*/ |
| |
while (i-- > 0) { |
| |
struct pool_log *pl = &pp->pr_log[n]; |
| |
if (pl->pl_action != 0) { |
| |
if (pi == NULL || pi == pl->pl_addr) { |
| |
(*pr)("\tlog entry %d:\n", i); |
| |
(*pr)("\t\taction = %s, addr = %p\n", |
| |
pl->pl_action == PRLOG_GET ? "get" : "put", |
| |
pl->pl_addr); |
| |
(*pr)("\t\tfile: %s at line %lu\n", |
| |
pl->pl_file, pl->pl_line); |
| |
} |
| |
} |
| |
if (++n >= pp->pr_logsize) |
| |
n = 0; |
| |
} |
| |
} |
| |
|
| |
static inline void |
| |
pr_enter(struct pool *pp, const char *file, long line) |
| |
{ |
| |
|
| |
if (__predict_false(pp->pr_entered_file != NULL)) { |
| |
printf("pool %s: reentrancy at file %s line %ld\n", |
| |
pp->pr_wchan, file, line); |
| |
printf(" previous entry at file %s line %ld\n", |
| |
pp->pr_entered_file, pp->pr_entered_line); |
| |
panic("pr_enter"); |
| |
} |
| |
|
| |
pp->pr_entered_file = file; |
| |
pp->pr_entered_line = line; |
| |
} |
| |
|
| |
static inline void |
| |
pr_leave(struct pool *pp) |
| |
{ |
| |
|
| |
if (__predict_false(pp->pr_entered_file == NULL)) { |
| |
printf("pool %s not entered?\n", pp->pr_wchan); |
| |
panic("pr_leave"); |
| |
} |
| |
|
| |
pp->pr_entered_file = NULL; |
| |
pp->pr_entered_line = 0; |
| |
} |
| |
|
| |
static inline void |
| |
pr_enter_check(struct pool *pp, void (*pr)(const char *, ...)) |
| |
{ |
| |
|
| |
if (pp->pr_entered_file != NULL) |
| |
(*pr)("\n\tcurrently entered from file %s line %ld\n", |
| |
pp->pr_entered_file, pp->pr_entered_line); |
| |
} |
| |
#else |
| |
#define pr_log(pp, v, action, file, line) |
| |
#define pr_printlog(pp, pi, pr) |
| |
#define pr_enter(pp, file, line) |
| |
#define pr_leave(pp) |
| |
#define pr_enter_check(pp, pr) |
| |
#endif /* POOL_DIAGNOSTIC */ |
| |
|
| static inline unsigned int |
static inline unsigned int |
| pr_item_notouch_index(const struct pool *pp, const struct pool_item_header *ph, |
pr_item_notouch_index(const struct pool *pp, const struct pool_item_header *ph, |
| const void *v) |
const void *v) |
| Line 398 pr_rmpage(struct pool *pp, struct pool_i |
|
| Line 531 pr_rmpage(struct pool *pp, struct pool_i |
|
| void |
void |
| pool_subsystem_init(void) |
pool_subsystem_init(void) |
| { |
{ |
| size_t size; |
|
| int idx; |
int idx; |
| |
size_t size; |
| |
|
| mutex_init(&pool_head_lock, MUTEX_DEFAULT, IPL_NONE); |
mutex_init(&pool_head_lock, MUTEX_DEFAULT, IPL_NONE); |
| mutex_init(&pool_allocator_lock, MUTEX_DEFAULT, IPL_NONE); |
mutex_init(&pool_allocator_lock, MUTEX_DEFAULT, IPL_NONE); |
| Line 451 pool_subsystem_init(void) |
|
| Line 584 pool_subsystem_init(void) |
|
| * 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 |
| * static pools that must be initialized before kmem(9) is available. |
* static pools that must be initialized before malloc() is available. |
| */ |
*/ |
| void |
void |
| pool_init(struct pool *pp, size_t size, u_int align, u_int ioff, int flags, |
pool_init(struct pool *pp, size_t size, u_int align, u_int ioff, int flags, |
| Line 473 pool_init(struct pool *pp, size_t size, |
|
| Line 606 pool_init(struct pool *pp, size_t size, |
|
| } |
} |
| #endif |
#endif |
| |
|
| |
#ifdef POOL_DIAGNOSTIC |
| |
/* |
| |
* Always log if POOL_DIAGNOSTIC is defined. |
| |
*/ |
| |
if (pool_logsize != 0) |
| |
flags |= PR_LOGGING; |
| |
#endif |
| |
|
| if (palloc == NULL) |
if (palloc == NULL) |
| palloc = &pool_allocator_kmem; |
palloc = &pool_allocator_kmem; |
| #ifdef POOL_SUBPAGE |
#ifdef POOL_SUBPAGE |
| Line 619 pool_init(struct pool *pp, size_t size, |
|
| Line 760 pool_init(struct pool *pp, size_t size, |
|
| pp->pr_nidle = 0; |
pp->pr_nidle = 0; |
| pp->pr_refcnt = 0; |
pp->pr_refcnt = 0; |
| |
|
| |
pp->pr_log = NULL; |
| |
|
| |
pp->pr_entered_file = NULL; |
| |
pp->pr_entered_line = 0; |
| |
|
| mutex_init(&pp->pr_lock, MUTEX_DEFAULT, ipl); |
mutex_init(&pp->pr_lock, MUTEX_DEFAULT, ipl); |
| cv_init(&pp->pr_cv, wchan); |
cv_init(&pp->pr_cv, wchan); |
| pp->pr_ipl = ipl; |
pp->pr_ipl = ipl; |
| Line 679 pool_destroy(struct pool *pp) |
|
| Line 825 pool_destroy(struct pool *pp) |
|
| |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (pp->pr_nout != 0) { |
if (pp->pr_nout != 0) { |
| |
pr_printlog(pp, NULL, printf); |
| panic("pool_destroy: pool busy: still out: %u", |
panic("pool_destroy: pool busy: still out: %u", |
| pp->pr_nout); |
pp->pr_nout); |
| } |
} |
| Line 695 pool_destroy(struct pool *pp) |
|
| Line 842 pool_destroy(struct pool *pp) |
|
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| |
|
| pr_pagelist_free(pp, &pq); |
pr_pagelist_free(pp, &pq); |
| |
|
| |
#ifdef POOL_DIAGNOSTIC |
| |
if (pp->pr_log != NULL) { |
| |
free(pp->pr_log, M_TEMP); |
| |
pp->pr_log = NULL; |
| |
} |
| |
#endif |
| |
|
| cv_destroy(&pp->pr_cv); |
cv_destroy(&pp->pr_cv); |
| mutex_destroy(&pp->pr_lock); |
mutex_destroy(&pp->pr_lock); |
| } |
} |
| Line 729 pool_alloc_item_header(struct pool *pp, |
|
| Line 884 pool_alloc_item_header(struct pool *pp, |
|
| * Grab an item from the pool. |
* Grab an item from the pool. |
| */ |
*/ |
| void * |
void * |
| |
#ifdef POOL_DIAGNOSTIC |
| |
_pool_get(struct pool *pp, int flags, const char *file, long line) |
| |
#else |
| pool_get(struct pool *pp, int flags) |
pool_get(struct pool *pp, int flags) |
| |
#endif |
| { |
{ |
| struct pool_item *pi; |
struct pool_item *pi; |
| struct pool_item_header *ph; |
struct pool_item_header *ph; |
| Line 749 pool_get(struct pool *pp, int flags) |
|
| Line 908 pool_get(struct pool *pp, int flags) |
|
| } |
} |
| |
|
| mutex_enter(&pp->pr_lock); |
mutex_enter(&pp->pr_lock); |
| |
pr_enter(pp, file, line); |
| |
|
| startover: |
startover: |
| /* |
/* |
| * Check to see if we've reached the hard limit. If we have, |
* Check to see if we've reached the hard limit. If we have, |
| Line 757 pool_get(struct pool *pp, int flags) |
|
| Line 918 pool_get(struct pool *pp, int flags) |
|
| */ |
*/ |
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (__predict_false(pp->pr_nout > pp->pr_hardlimit)) { |
if (__predict_false(pp->pr_nout > pp->pr_hardlimit)) { |
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| panic("pool_get: %s: crossed hard limit", pp->pr_wchan); |
panic("pool_get: %s: crossed hard limit", pp->pr_wchan); |
| } |
} |
| Line 768 pool_get(struct pool *pp, int flags) |
|
| Line 930 pool_get(struct pool *pp, int flags) |
|
| * back to the pool, unlock, call the hook, re-lock, |
* back to the pool, unlock, call the hook, re-lock, |
| * and check the hardlimit condition again. |
* and check the hardlimit condition again. |
| */ |
*/ |
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| (*pp->pr_drain_hook)(pp->pr_drain_hook_arg, flags); |
(*pp->pr_drain_hook)(pp->pr_drain_hook_arg, flags); |
| mutex_enter(&pp->pr_lock); |
mutex_enter(&pp->pr_lock); |
| |
pr_enter(pp, file, line); |
| if (pp->pr_nout < pp->pr_hardlimit) |
if (pp->pr_nout < pp->pr_hardlimit) |
| goto startover; |
goto startover; |
| } |
} |
| Line 781 pool_get(struct pool *pp, int flags) |
|
| Line 945 pool_get(struct pool *pp, int flags) |
|
| * it be? |
* it be? |
| */ |
*/ |
| pp->pr_flags |= PR_WANTED; |
pp->pr_flags |= PR_WANTED; |
| |
pr_leave(pp); |
| cv_wait(&pp->pr_cv, &pp->pr_lock); |
cv_wait(&pp->pr_cv, &pp->pr_lock); |
| |
pr_enter(pp, file, line); |
| goto startover; |
goto startover; |
| } |
} |
| |
|
| Line 795 pool_get(struct pool *pp, int flags) |
|
| Line 961 pool_get(struct pool *pp, int flags) |
|
| |
|
| pp->pr_nfail++; |
pp->pr_nfail++; |
| |
|
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| return (NULL); |
return (NULL); |
| } |
} |
| Line 822 pool_get(struct pool *pp, int flags) |
|
| Line 989 pool_get(struct pool *pp, int flags) |
|
| * Release the pool lock, as the back-end page allocator |
* Release the pool lock, as the back-end page allocator |
| * may block. |
* may block. |
| */ |
*/ |
| |
pr_leave(pp); |
| error = pool_grow(pp, flags); |
error = pool_grow(pp, flags); |
| |
pr_enter(pp, file, line); |
| if (error != 0) { |
if (error != 0) { |
| /* |
/* |
| * We were unable to allocate a page or item |
* We were unable to allocate a page or item |
| Line 834 pool_get(struct pool *pp, int flags) |
|
| Line 1003 pool_get(struct pool *pp, int flags) |
|
| goto startover; |
goto startover; |
| |
|
| pp->pr_nfail++; |
pp->pr_nfail++; |
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| return (NULL); |
return (NULL); |
| } |
} |
| Line 844 pool_get(struct pool *pp, int flags) |
|
| Line 1014 pool_get(struct pool *pp, int flags) |
|
| if (pp->pr_roflags & PR_NOTOUCH) { |
if (pp->pr_roflags & PR_NOTOUCH) { |
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (__predict_false(ph->ph_nmissing == pp->pr_itemsperpage)) { |
if (__predict_false(ph->ph_nmissing == pp->pr_itemsperpage)) { |
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| panic("pool_get: %s: page empty", pp->pr_wchan); |
panic("pool_get: %s: page empty", pp->pr_wchan); |
| } |
} |
| #endif |
#endif |
| v = pr_item_notouch_get(pp, ph); |
v = pr_item_notouch_get(pp, ph); |
| |
#ifdef POOL_DIAGNOSTIC |
| |
pr_log(pp, v, PRLOG_GET, file, line); |
| |
#endif |
| } else { |
} else { |
| v = pi = LIST_FIRST(&ph->ph_itemlist); |
v = pi = LIST_FIRST(&ph->ph_itemlist); |
| if (__predict_false(v == NULL)) { |
if (__predict_false(v == NULL)) { |
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| panic("pool_get: %s: page empty", pp->pr_wchan); |
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); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| 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); |
| Line 864 pool_get(struct pool *pp, int flags) |
|
| Line 1040 pool_get(struct pool *pp, int flags) |
|
| } |
} |
| #endif |
#endif |
| |
|
| |
#ifdef POOL_DIAGNOSTIC |
| |
pr_log(pp, v, PRLOG_GET, file, line); |
| |
#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); |
| panic("pool_get(%s): free list modified: " |
panic("pool_get(%s): free list modified: " |
| "magic=%x; page %p; item addr %p\n", |
"magic=%x; page %p; item addr %p\n", |
| pp->pr_wchan, pi->pi_magic, ph->ph_page, pi); |
pp->pr_wchan, pi->pi_magic, ph->ph_page, pi); |
| Line 898 pool_get(struct pool *pp, int flags) |
|
| Line 1079 pool_get(struct pool *pp, int flags) |
|
| #ifdef DIAGNOSTIC |
#ifdef DIAGNOSTIC |
| if (__predict_false((pp->pr_roflags & PR_NOTOUCH) == 0 && |
if (__predict_false((pp->pr_roflags & PR_NOTOUCH) == 0 && |
| !LIST_EMPTY(&ph->ph_itemlist))) { |
!LIST_EMPTY(&ph->ph_itemlist))) { |
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| panic("pool_get: %s: nmissing inconsistent", |
panic("pool_get: %s: nmissing inconsistent", |
| pp->pr_wchan); |
pp->pr_wchan); |
| Line 913 pool_get(struct pool *pp, int flags) |
|
| Line 1095 pool_get(struct pool *pp, int flags) |
|
| } |
} |
| |
|
| pp->pr_nget++; |
pp->pr_nget++; |
| |
pr_leave(pp); |
| |
|
| /* |
/* |
| * If we have a low water mark and we are now below that low |
* If we have a low water mark and we are now below that low |
| Line 954 pool_do_put(struct pool *pp, void *v, st |
|
| Line 1137 pool_do_put(struct pool *pp, void *v, st |
|
| #endif |
#endif |
| |
|
| if (__predict_false((ph = pr_find_pagehead(pp, v)) == NULL)) { |
if (__predict_false((ph = pr_find_pagehead(pp, v)) == NULL)) { |
| |
pr_printlog(pp, NULL, printf); |
| panic("pool_put: %s: page header missing", pp->pr_wchan); |
panic("pool_put: %s: page header missing", pp->pr_wchan); |
| } |
} |
| |
|
| Line 1042 pool_do_put(struct pool *pp, void *v, st |
|
| Line 1226 pool_do_put(struct pool *pp, void *v, st |
|
| } |
} |
| } |
} |
| |
|
| |
/* |
| |
* Return resource to the pool. |
| |
*/ |
| |
#ifdef POOL_DIAGNOSTIC |
| |
void |
| |
_pool_put(struct pool *pp, void *v, const char *file, long line) |
| |
{ |
| |
struct pool_pagelist pq; |
| |
|
| |
LIST_INIT(&pq); |
| |
|
| |
mutex_enter(&pp->pr_lock); |
| |
pr_enter(pp, file, line); |
| |
|
| |
pr_log(pp, v, PRLOG_PUT, file, line); |
| |
|
| |
pool_do_put(pp, v, &pq); |
| |
|
| |
pr_leave(pp); |
| |
mutex_exit(&pp->pr_lock); |
| |
|
| |
pr_pagelist_free(pp, &pq); |
| |
} |
| |
#undef pool_put |
| |
#endif /* POOL_DIAGNOSTIC */ |
| |
|
| void |
void |
| pool_put(struct pool *pp, void *v) |
pool_put(struct pool *pp, void *v) |
| { |
{ |
| Line 1056 pool_put(struct pool *pp, void *v) |
|
| Line 1266 pool_put(struct pool *pp, void *v) |
|
| pr_pagelist_free(pp, &pq); |
pr_pagelist_free(pp, &pq); |
| } |
} |
| |
|
| |
#ifdef POOL_DIAGNOSTIC |
| |
#define pool_put(h, v) _pool_put((h), (v), __FILE__, __LINE__) |
| |
#endif |
| |
|
| /* |
/* |
| * pool_grow: grow a pool by a page. |
* pool_grow: grow a pool by a page. |
| * |
* |
| Line 1303 pool_sethardlimit(struct pool *pp, int n |
|
| Line 1517 pool_sethardlimit(struct pool *pp, int n |
|
| * Might be called from interrupt context. |
* Might be called from interrupt context. |
| */ |
*/ |
| int |
int |
| |
#ifdef POOL_DIAGNOSTIC |
| |
_pool_reclaim(struct pool *pp, const char *file, long line) |
| |
#else |
| pool_reclaim(struct pool *pp) |
pool_reclaim(struct pool *pp) |
| |
#endif |
| { |
{ |
| struct pool_item_header *ph, *phnext; |
struct pool_item_header *ph, *phnext; |
| struct pool_pagelist pq; |
struct pool_pagelist pq; |
| Line 1343 pool_reclaim(struct pool *pp) |
|
| Line 1561 pool_reclaim(struct pool *pp) |
|
| } |
} |
| return (0); |
return (0); |
| } |
} |
| |
pr_enter(pp, file, line); |
| |
|
| LIST_INIT(&pq); |
LIST_INIT(&pq); |
| |
|
| Line 1370 pool_reclaim(struct pool *pp) |
|
| Line 1589 pool_reclaim(struct pool *pp) |
|
| pr_rmpage(pp, ph, &pq); |
pr_rmpage(pp, ph, &pq); |
| } |
} |
| |
|
| |
pr_leave(pp); |
| mutex_exit(&pp->pr_lock); |
mutex_exit(&pp->pr_lock); |
| |
|
| if (LIST_EMPTY(&pq)) |
if (LIST_EMPTY(&pq)) |
| Line 1459 pool_drain_end(struct pool *pp, uint64_t |
|
| Line 1679 pool_drain_end(struct pool *pp, uint64_t |
|
| /* |
/* |
| * Diagnostic helpers. |
* Diagnostic helpers. |
| */ |
*/ |
| |
void |
| |
pool_print(struct pool *pp, const char *modif) |
| |
{ |
| |
|
| |
pool_print1(pp, modif, printf); |
| |
} |
| |
|
| void |
void |
| pool_printall(const char *modif, void (*pr)(const char *, ...)) |
pool_printall(const char *modif, void (*pr)(const char *, ...)) |
| Line 1570 pool_print1(struct pool *pp, const char |
|
| Line 1796 pool_print1(struct pool *pp, const char |
|
| goto skip_log; |
goto skip_log; |
| |
|
| (*pr)("\n"); |
(*pr)("\n"); |
| |
if ((pp->pr_roflags & PR_LOGGING) == 0) |
| |
(*pr)("\tno log\n"); |
| |
else { |
| |
pr_printlog(pp, NULL, pr); |
| |
} |
| |
|
| skip_log: |
skip_log: |
| |
|
| Line 1619 pool_print1(struct pool *pp, const char |
|
| Line 1850 pool_print1(struct pool *pp, const char |
|
| } |
} |
| } |
} |
| #undef PR_GROUPLIST |
#undef PR_GROUPLIST |
| |
|
| |
pr_enter_check(pp, pr); |
| } |
} |
| |
|
| static int |
static int |
| Line 2063 pool_cache_invalidate(pool_cache_t pc) |
|
| Line 2296 pool_cache_invalidate(pool_cache_t pc) |
|
| static void |
static void |
| pool_cache_invalidate_cpu(pool_cache_t pc, u_int index) |
pool_cache_invalidate_cpu(pool_cache_t pc, u_int index) |
| { |
{ |
| |
|
| pool_cache_cpu_t *cc; |
pool_cache_cpu_t *cc; |
| pcg_t *pcg; |
pcg_t *pcg; |
| |
|
| Line 2484 void pool_page_free(struct pool *, void |
|
| Line 2718 void pool_page_free(struct pool *, void |
|
| |
|
| #ifdef POOL_SUBPAGE |
#ifdef POOL_SUBPAGE |
| struct pool_allocator pool_allocator_kmem_fullpage = { |
struct pool_allocator pool_allocator_kmem_fullpage = { |
| .pa_alloc = pool_page_alloc, |
pool_page_alloc, pool_page_free, 0 |
| .pa_free = pool_page_free, |
|
| .pa_pagesz = 0 |
|
| }; |
}; |
| #else |
#else |
| struct pool_allocator pool_allocator_kmem = { |
struct pool_allocator pool_allocator_kmem = { |
| Line 2496 struct pool_allocator pool_allocator_kme |
|
| Line 2728 struct pool_allocator pool_allocator_kme |
|
| }; |
}; |
| #endif |
#endif |
| |
|
| |
void *pool_page_alloc_nointr(struct pool *, int); |
| |
void pool_page_free_nointr(struct pool *, void *); |
| |
|
| #ifdef POOL_SUBPAGE |
#ifdef POOL_SUBPAGE |
| struct pool_allocator pool_allocator_nointr_fullpage = { |
struct pool_allocator pool_allocator_nointr_fullpage = { |
| .pa_alloc = pool_page_alloc, |
pool_page_alloc_nointr, pool_page_free_nointr, 0, |
| .pa_free = pool_page_free, |
|
| .pa_pagesz = 0 |
|
| }; |
}; |
| #else |
#else |
| struct pool_allocator pool_allocator_nointr = { |
struct pool_allocator pool_allocator_nointr = { |
| Line 2515 void *pool_subpage_alloc(struct pool *, |
|
| Line 2748 void *pool_subpage_alloc(struct pool *, |
|
| void pool_subpage_free(struct pool *, void *); |
void pool_subpage_free(struct pool *, void *); |
| |
|
| struct pool_allocator pool_allocator_kmem = { |
struct pool_allocator pool_allocator_kmem = { |
| .pa_alloc = pool_subpage_alloc, |
pool_subpage_alloc, pool_subpage_free, POOL_SUBPAGE, |
| .pa_free = pool_subpage_free, |
|
| .pa_pagesz = POOL_SUBPAGE |
|
| }; |
}; |
| |
|
| |
void *pool_subpage_alloc_nointr(struct pool *, int); |
| |
void pool_subpage_free_nointr(struct pool *, void *); |
| |
|
| struct pool_allocator pool_allocator_nointr = { |
struct pool_allocator pool_allocator_nointr = { |
| .pa_alloc = pool_subpage_alloc, |
pool_subpage_alloc, pool_subpage_free, POOL_SUBPAGE, |
| .pa_free = pool_subpage_free, |
|
| .pa_pagesz = POOL_SUBPAGE |
|
| }; |
}; |
| #endif /* POOL_SUBPAGE */ |
#endif /* POOL_SUBPAGE */ |
| |
|
| Line 2559 pool_allocator_free(struct pool *pp, voi |
|
| Line 2791 pool_allocator_free(struct pool *pp, voi |
|
| void * |
void * |
| pool_page_alloc(struct pool *pp, int flags) |
pool_page_alloc(struct pool *pp, int flags) |
| { |
{ |
| const vm_flag_t vflags = (flags & PR_WAITOK) ? VM_SLEEP: VM_NOSLEEP; |
bool waitok = (flags & PR_WAITOK) ? true : false; |
| |
int rc; |
| vmem_addr_t va; |
vmem_addr_t va; |
| int ret; |
|
| |
|
| ret = uvm_km_kmem_alloc(kmem_va_arena, pp->pr_alloc->pa_pagesz, |
rc = uvm_km_kmem_alloc(kmem_va_arena, |
| vflags | VM_INSTANTFIT, &va); |
pp->pr_alloc->pa_pagesz, |
| |
((waitok ? VM_SLEEP : VM_NOSLEEP) | VM_INSTANTFIT), &va); |
| |
|
| return ret ? NULL : (void *)va; |
if (rc != 0) |
| |
return NULL; |
| |
else |
| |
return (void *)va; |
| } |
} |
| |
|
| void |
void |
| Line 2579 pool_page_free(struct pool *pp, void *v) |
|
| Line 2815 pool_page_free(struct pool *pp, void *v) |
|
| static void * |
static void * |
| pool_page_alloc_meta(struct pool *pp, int flags) |
pool_page_alloc_meta(struct pool *pp, int flags) |
| { |
{ |
| const vm_flag_t vflags = (flags & PR_WAITOK) ? VM_SLEEP: VM_NOSLEEP; |
bool waitok = (flags & PR_WAITOK) ? true : false; |
| vmem_addr_t va; |
int rc; |
| int ret; |
vmem_addr_t addr; |
| |
|
| ret = vmem_alloc(kmem_meta_arena, pp->pr_alloc->pa_pagesz, |
rc = vmem_alloc(kmem_meta_arena, pp->pr_alloc->pa_pagesz, |
| vflags | VM_INSTANTFIT, &va); |
(waitok ? VM_SLEEP : VM_NOSLEEP) | VM_INSTANTFIT, &addr); |
| |
|
| return ret ? NULL : (void *)va; |
if (rc != 0) |
| |
return 0; |
| |
else |
| |
return (void *)addr; |
| } |
} |
| |
|
| static void |
static void |
| pool_page_free_meta(struct pool *pp, void *v) |
pool_page_free_meta(struct pool *pp, void *v) |
| { |
{ |
| |
|
| vmem_free(kmem_meta_arena, (vmem_addr_t)v, pp->pr_alloc->pa_pagesz); |
vmem_free(kmem_meta_arena, (vmem_addr_t)v, |
| |
pp->pr_alloc->pa_pagesz); |
| } |
} |
| |
|
| #ifdef POOL_SUBPAGE |
#ifdef POOL_SUBPAGE |
| Line 2610 pool_subpage_free(struct pool *pp, void |
|
| Line 2850 pool_subpage_free(struct pool *pp, void |
|
| pool_put(&psppool, v); |
pool_put(&psppool, v); |
| } |
} |
| |
|
| |
/* We don't provide a real nointr allocator. Maybe later. */ |
| |
void * |
| |
pool_subpage_alloc_nointr(struct pool *pp, int flags) |
| |
{ |
| |
|
| |
return (pool_subpage_alloc(pp, flags)); |
| |
} |
| |
|
| |
void |
| |
pool_subpage_free_nointr(struct pool *pp, void *v) |
| |
{ |
| |
|
| |
pool_subpage_free(pp, v); |
| |
} |
| #endif /* POOL_SUBPAGE */ |
#endif /* POOL_SUBPAGE */ |
| |
|
| #if defined(DDB) |
#if defined(DDB) |