| version 1.151, 2008/02/14 11:45:24 |
version 1.151.6.2, 2008/06/02 13:24:11 |
|
|
| /* $NetBSD$ */ |
/* $NetBSD$ */ |
| |
|
| /*- |
/*- |
| * Copyright (c) 1997, 1999, 2000, 2002, 2007 The NetBSD Foundation, Inc. |
* Copyright (c) 1997, 1999, 2000, 2002, 2007, 2008 The NetBSD Foundation, Inc. |
| * All rights reserved. |
* All rights reserved. |
| * |
* |
| * This code is derived from software contributed to The NetBSD Foundation |
* This code is derived from software contributed to The NetBSD Foundation |
|
|
| * 2. Redistributions in binary form must reproduce the above copyright |
* 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
* notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
* documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
|
| * must display the following acknowledgement: |
|
| * This product includes software developed by the NetBSD |
|
| * Foundation, Inc. and its contributors. |
|
| * 4. Neither the name of The NetBSD Foundation nor the names of its |
|
| * contributors may be used to endorse or promote products derived |
|
| * from this software without specific prior written permission. |
|
| * |
* |
| * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| Line 612 pool_subsystem_init(void) |
|
| Line 605 pool_subsystem_init(void) |
|
| pa_reclaim_register(pa); |
pa_reclaim_register(pa); |
| } |
} |
| |
|
| pool_init(&cache_pool, sizeof(struct pool_cache), CACHE_LINE_SIZE, |
pool_init(&cache_pool, sizeof(struct pool_cache), coherency_unit, |
| 0, 0, "pcache", &pool_allocator_nointr, IPL_NONE); |
0, 0, "pcache", &pool_allocator_nointr, IPL_NONE); |
| |
|
| pool_init(&cache_cpu_pool, sizeof(pool_cache_cpu_t), CACHE_LINE_SIZE, |
pool_init(&cache_cpu_pool, sizeof(pool_cache_cpu_t), coherency_unit, |
| 0, 0, "pcachecpu", &pool_allocator_nointr, IPL_NONE); |
0, 0, "pcachecpu", &pool_allocator_nointr, IPL_NONE); |
| } |
} |
| |
|
| Line 814 pool_init(struct pool *pp, size_t size, |
|
| Line 807 pool_init(struct pool *pp, size_t size, |
|
| pp->pr_entered_file = NULL; |
pp->pr_entered_file = NULL; |
| pp->pr_entered_line = 0; |
pp->pr_entered_line = 0; |
| |
|
| /* |
mutex_init(&pp->pr_lock, MUTEX_DEFAULT, ipl); |
| * XXXAD hack to prevent IP input processing from blocking. |
|
| */ |
|
| if (ipl == IPL_SOFTNET) { |
|
| mutex_init(&pp->pr_lock, MUTEX_DEFAULT, IPL_VM); |
|
| } else { |
|
| 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 855 pool_init(struct pool *pp, size_t size, |
|
| Line 841 pool_init(struct pool *pp, size_t size, |
|
| |
|
| size = sizeof(pcg_t) + |
size = sizeof(pcg_t) + |
| (PCG_NOBJECTS_NORMAL - 1) * sizeof(pcgpair_t); |
(PCG_NOBJECTS_NORMAL - 1) * sizeof(pcgpair_t); |
| pool_init(&pcg_normal_pool, size, CACHE_LINE_SIZE, 0, 0, |
pool_init(&pcg_normal_pool, size, coherency_unit, 0, 0, |
| "pcgnormal", &pool_allocator_meta, IPL_VM); |
"pcgnormal", &pool_allocator_meta, IPL_VM); |
| |
|
| size = sizeof(pcg_t) + |
size = sizeof(pcg_t) + |
| (PCG_NOBJECTS_LARGE - 1) * sizeof(pcgpair_t); |
(PCG_NOBJECTS_LARGE - 1) * sizeof(pcgpair_t); |
| pool_init(&pcg_large_pool, size, CACHE_LINE_SIZE, 0, 0, |
pool_init(&pcg_large_pool, size, coherency_unit, 0, 0, |
| "pcglarge", &pool_allocator_meta, IPL_VM); |
"pcglarge", &pool_allocator_meta, IPL_VM); |
| } |
} |
| |
|
| Line 995 pool_get(struct pool *pp, int flags) |
|
| Line 981 pool_get(struct pool *pp, int flags) |
|
| |
|
| #endif /* DIAGNOSTIC */ |
#endif /* DIAGNOSTIC */ |
| #ifdef LOCKDEBUG |
#ifdef LOCKDEBUG |
| if (flags & PR_WAITOK) |
if (flags & PR_WAITOK) { |
| ASSERT_SLEEPABLE(NULL, "pool_get(PR_WAITOK)"); |
ASSERT_SLEEPABLE(); |
| |
} |
| #endif |
#endif |
| |
|
| mutex_enter(&pp->pr_lock); |
mutex_enter(&pp->pr_lock); |
| Line 1288 pool_do_put(struct pool *pp, void *v, st |
|
| Line 1275 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_minpages && |
| (pp->pr_npages > pp->pr_maxpages || |
pp->pr_npages > pp->pr_maxpages) { |
| pa_starved_p(pp->pr_alloc))) { |
|
| pr_rmpage(pp, ph, pq); |
pr_rmpage(pp, ph, pq); |
| } else { |
} else { |
| LIST_REMOVE(ph, ph_pagelist); |
LIST_REMOVE(ph, ph_pagelist); |
| Line 1629 pool_reclaim(struct pool *pp) |
|
| Line 1615 pool_reclaim(struct pool *pp) |
|
| } |
} |
| |
|
| /* |
/* |
| * XXXSMP Because mutexes at IPL_SOFTXXX are still spinlocks, |
* XXXSMP Because we do not want to cause non-MPSAFE code |
| * and we are called from the pagedaemon without kernel_lock. |
* to block. |
| * Does not apply to IPL_SOFTBIO. |
|
| */ |
*/ |
| if (pp->pr_ipl == IPL_SOFTNET || pp->pr_ipl == IPL_SOFTCLOCK || |
if (pp->pr_ipl == IPL_SOFTNET || pp->pr_ipl == IPL_SOFTCLOCK || |
| pp->pr_ipl == IPL_SOFTSERIAL) { |
pp->pr_ipl == IPL_SOFTSERIAL) { |
| Line 2074 pool_cache_bootstrap(pool_cache_t pc, si |
|
| Line 2059 pool_cache_bootstrap(pool_cache_t pc, si |
|
| if (palloc == NULL && ipl == IPL_NONE) |
if (palloc == NULL && ipl == IPL_NONE) |
| palloc = &pool_allocator_nointr; |
palloc = &pool_allocator_nointr; |
| pool_init(pp, size, align, align_offset, flags, wchan, palloc, ipl); |
pool_init(pp, size, align, align_offset, flags, wchan, palloc, ipl); |
| |
mutex_init(&pc->pc_lock, MUTEX_DEFAULT, ipl); |
| /* |
|
| * XXXAD hack to prevent IP input processing from blocking. |
|
| */ |
|
| if (ipl == IPL_SOFTNET) { |
|
| mutex_init(&pc->pc_lock, MUTEX_DEFAULT, IPL_VM); |
|
| } else { |
|
| mutex_init(&pc->pc_lock, MUTEX_DEFAULT, ipl); |
|
| } |
|
| |
|
| if (ctor == NULL) { |
if (ctor == NULL) { |
| ctor = (int (*)(void *, void *, int))nullop; |
ctor = (int (*)(void *, void *, int))nullop; |
| Line 2206 pool_cache_cpu_init1(struct cpu_info *ci |
|
| Line 2183 pool_cache_cpu_init1(struct cpu_info *ci |
|
| index = ci->ci_index; |
index = ci->ci_index; |
| |
|
| KASSERT(index < MAXCPUS); |
KASSERT(index < MAXCPUS); |
| KASSERT(((uintptr_t)pc->pc_cpus & (CACHE_LINE_SIZE - 1)) == 0); |
|
| |
|
| if ((cc = pc->pc_cpus[index]) != NULL) { |
if ((cc = pc->pc_cpus[index]) != NULL) { |
| KASSERT(cc->cc_cpuindex == index); |
KASSERT(cc->cc_cpuindex == index); |
| Line 2393 pool_cache_cpu_enter(pool_cache_t pc, in |
|
| Line 2369 pool_cache_cpu_enter(pool_cache_t pc, in |
|
| * CPU-local data. To avoid touching shared state, we |
* CPU-local data. To avoid touching shared state, we |
| * pull the neccessary information from CPU local data. |
* pull the neccessary information from CPU local data. |
| */ |
*/ |
| crit_enter(); |
KPREEMPT_DISABLE(curlwp); |
| cc = pc->pc_cpus[curcpu()->ci_index]; |
cc = pc->pc_cpus[curcpu()->ci_index]; |
| KASSERT(cc->cc_cache == pc); |
KASSERT(cc->cc_cache == pc); |
| if (cc->cc_ipl != IPL_NONE) { |
if (cc->cc_ipl != IPL_NONE) { |
| *s = splraiseipl(cc->cc_iplcookie); |
*s = splraiseipl(cc->cc_iplcookie); |
| } |
} |
| KASSERT(((uintptr_t)cc & (CACHE_LINE_SIZE - 1)) == 0); |
|
| |
|
| return cc; |
return cc; |
| } |
} |
| Line 2412 pool_cache_cpu_exit(pool_cache_cpu_t *cc |
|
| Line 2387 pool_cache_cpu_exit(pool_cache_cpu_t *cc |
|
| if (cc->cc_ipl != IPL_NONE) { |
if (cc->cc_ipl != IPL_NONE) { |
| splx(*s); |
splx(*s); |
| } |
} |
| crit_exit(); |
KPREEMPT_ENABLE(curlwp); |
| } |
} |
| |
|
| #if __GNUC_PREREQ__(3, 0) |
pool_cache_cpu_t * __noinline |
| __attribute ((noinline)) |
|
| #endif |
|
| pool_cache_cpu_t * |
|
| pool_cache_get_slow(pool_cache_cpu_t *cc, int *s, void **objectp, |
pool_cache_get_slow(pool_cache_cpu_t *cc, int *s, void **objectp, |
| paddr_t *pap, int flags) |
paddr_t *pap, int flags) |
| { |
{ |
| Line 2522 pool_cache_get_paddr(pool_cache_t pc, in |
|
| Line 2494 pool_cache_get_paddr(pool_cache_t pc, in |
|
| int s; |
int s; |
| |
|
| #ifdef LOCKDEBUG |
#ifdef LOCKDEBUG |
| if (flags & PR_WAITOK) |
if (flags & PR_WAITOK) { |
| ASSERT_SLEEPABLE(NULL, "pool_cache_get(PR_WAITOK)"); |
ASSERT_SLEEPABLE(); |
| |
} |
| #endif |
#endif |
| |
|
| cc = pool_cache_cpu_enter(pc, &s); |
cc = pool_cache_cpu_enter(pc, &s); |
| Line 2568 pool_cache_get_paddr(pool_cache_t pc, in |
|
| Line 2541 pool_cache_get_paddr(pool_cache_t pc, in |
|
| return object; |
return object; |
| } |
} |
| |
|
| #if __GNUC_PREREQ__(3, 0) |
pool_cache_cpu_t * __noinline |
| __attribute ((noinline)) |
|
| #endif |
|
| pool_cache_cpu_t * |
|
| pool_cache_put_slow(pool_cache_cpu_t *cc, int *s, void *object, paddr_t pa) |
pool_cache_put_slow(pool_cache_cpu_t *cc, int *s, void *object, paddr_t pa) |
| { |
{ |
| pcg_t *pcg, *cur; |
pcg_t *pcg, *cur; |
|
|
| snprintf(cpucachestr, |
snprintf(cpucachestr, |
| sizeof(cpucachestr), |
sizeof(cpucachestr), |
| "cached by CPU %u", |
"cached by CPU %u", |
| (u_int)ci->ci_cpuid); |
ci->ci_index); |
| goto print; |
goto print; |
| } |
} |
| } |
} |