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make pcg_dummy const to catch bugs earlier.

This commit is contained in:
yamt 2008-08-11 02:48:42 +00:00
parent 53d1c25e34
commit a5cd2e50c6
1 changed files with 7 additions and 7 deletions
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14
sys/kern/subr_pool.c
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@ -1,4 +1,4 @@
/* $NetBSD: subr_pool.c,v 1.168 2008/08/11 02:46:40 yamt Exp $ */
/* $NetBSD: subr_pool.c,v 1.169 2008/08/11 02:48:42 yamt Exp $ */
/*-
* Copyright (c) 1997, 1999, 2000, 2002, 2007, 2008 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.168 2008/08/11 02:46:40 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.169 2008/08/11 02:48:42 yamt Exp $");
#include "opt_ddb.h"
#include "opt_pool.h"
@ -180,7 +180,7 @@ TAILQ_HEAD(,pool_cache) pool_cache_head =
TAILQ_HEAD_INITIALIZER(pool_cache_head);
int pool_cache_disable; /* global disable for caching */
static pcg_t pcg_dummy; /* zero sized: always empty, yet always full */
static const pcg_t pcg_dummy; /* zero sized: always empty, yet always full */
static bool pool_cache_put_slow(pool_cache_cpu_t *, int,
void *);
@ -2210,8 +2210,8 @@ pool_cache_cpu_init1(struct cpu_info *ci, pool_cache_t pc)
cc->cc_cpuindex = index;
cc->cc_hits = 0;
cc->cc_misses = 0;
cc->cc_current = &pcg_dummy;
cc->cc_previous = &pcg_dummy;
cc->cc_current = __UNCONST(&pcg_dummy);
cc->cc_previous = __UNCONST(&pcg_dummy);
pc->pc_cpus[index] = cc;
}
@ -2666,9 +2666,9 @@ pool_cache_xcall(pool_cache_t pc)
mutex_enter(&pc->pc_lock);
cc = pc->pc_cpus[curcpu()->ci_index];
cur = cc->cc_current;
cc->cc_current = &pcg_dummy;
cc->cc_current = __UNCONST(&pcg_dummy);
prev = cc->cc_previous;
cc->cc_previous = &pcg_dummy;
cc->cc_previous = __UNCONST(&pcg_dummy);
if (cur != &pcg_dummy) {
if (cur->pcg_avail == cur->pcg_size) {
list = &pc->pc_fullgroups;