version 1.184, 2010/05/12 03:43:46 |
version 1.186.2.1, 2011/06/06 09:09:35 |
Line 54 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 54 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/cpu.h> |
#include <sys/cpu.h> |
#include <sys/atomic.h> |
#include <sys/atomic.h> |
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#include <uvm/uvm.h> |
#include <uvm/uvm_extern.h> |
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#ifdef DIAGNOSTIC |
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#include <uvm/uvm_km.h> /* uvm_km_va_drain */ |
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#endif |
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/* |
/* |
* Pool resource management utility. |
* Pool resource management utility. |
Line 179 static struct pool pcg_large_pool; |
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Line 182 static struct pool pcg_large_pool; |
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static struct pool cache_pool; |
static struct pool cache_pool; |
static struct pool cache_cpu_pool; |
static struct pool cache_cpu_pool; |
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pool_cache_t pnbuf_cache; /* pathname buffer cache */ |
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/* List of all caches. */ |
/* List of all caches. */ |
TAILQ_HEAD(,pool_cache) pool_cache_head = |
TAILQ_HEAD(,pool_cache) pool_cache_head = |
TAILQ_HEAD_INITIALIZER(pool_cache_head); |
TAILQ_HEAD_INITIALIZER(pool_cache_head); |
Line 992 pool_get(struct pool *pp, int flags) |
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Line 997 pool_get(struct pool *pp, int flags) |
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if (pp->pr_itemsperpage == 0) |
if (pp->pr_itemsperpage == 0) |
panic("pool_get: pool '%s': pr_itemsperpage is zero, " |
panic("pool_get: pool '%s': pr_itemsperpage is zero, " |
"pool not initialized?", pp->pr_wchan); |
"pool not initialized?", pp->pr_wchan); |
if ((cpu_intr_p() || cpu_softintr_p()) && pp->pr_ipl == IPL_NONE) |
if ((cpu_intr_p() || cpu_softintr_p()) && pp->pr_ipl == IPL_NONE && |
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!cold && panicstr == NULL) |
panic("pool '%s' is IPL_NONE, but called from " |
panic("pool '%s' is IPL_NONE, but called from " |
"interrupt context\n", pp->pr_wchan); |
"interrupt context\n", pp->pr_wchan); |
#endif |
#endif |
Line 1744 pool_drain_start(struct pool **ppp, uint |
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Line 1750 pool_drain_start(struct pool **ppp, uint |
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} |
} |
} |
} |
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void |
bool |
pool_drain_end(struct pool *pp, uint64_t where) |
pool_drain_end(struct pool *pp, uint64_t where) |
{ |
{ |
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bool reclaimed; |
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if (pp == NULL) |
if (pp == NULL) |
return; |
return false; |
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KASSERT(pp->pr_refcnt > 0); |
KASSERT(pp->pr_refcnt > 0); |
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Line 1758 pool_drain_end(struct pool *pp, uint64_t |
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Line 1765 pool_drain_end(struct pool *pp, uint64_t |
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xc_wait(where); |
xc_wait(where); |
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/* Drain the cache (if any) and pool.. */ |
/* Drain the cache (if any) and pool.. */ |
pool_reclaim(pp); |
reclaimed = pool_reclaim(pp); |
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/* Finally, unlock the pool. */ |
/* Finally, unlock the pool. */ |
mutex_enter(&pool_head_lock); |
mutex_enter(&pool_head_lock); |
pp->pr_refcnt--; |
pp->pr_refcnt--; |
cv_broadcast(&pool_busy); |
cv_broadcast(&pool_busy); |
mutex_exit(&pool_head_lock); |
mutex_exit(&pool_head_lock); |
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return reclaimed; |
} |
} |
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/* |
/* |
Line 2529 pool_cache_get_paddr(pool_cache_t pc, in |
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Line 2538 pool_cache_get_paddr(pool_cache_t pc, in |
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int s; |
int s; |
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KASSERTMSG((!cpu_intr_p() && !cpu_softintr_p()) || |
KASSERTMSG((!cpu_intr_p() && !cpu_softintr_p()) || |
(pc->pc_pool.pr_ipl != IPL_NONE || cold), |
(pc->pc_pool.pr_ipl != IPL_NONE || cold || panicstr != NULL), |
("pool '%s' is IPL_NONE, but called from interrupt context\n", |
("pool '%s' is IPL_NONE, but called from interrupt context\n", |
pc->pc_pool.pr_wchan)); |
pc->pc_pool.pr_wchan)); |
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