aboutsummaryrefslogtreecommitdiffstats
path: root/mm/slab.c
diff options
context:
space:
mode:
Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 98ac20bc0de9..233e39d14caf 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -89,6 +89,7 @@
89#include <linux/config.h> 89#include <linux/config.h>
90#include <linux/slab.h> 90#include <linux/slab.h>
91#include <linux/mm.h> 91#include <linux/mm.h>
92#include <linux/poison.h>
92#include <linux/swap.h> 93#include <linux/swap.h>
93#include <linux/cache.h> 94#include <linux/cache.h>
94#include <linux/interrupt.h> 95#include <linux/interrupt.h>
@@ -106,6 +107,7 @@
106#include <linux/nodemask.h> 107#include <linux/nodemask.h>
107#include <linux/mempolicy.h> 108#include <linux/mempolicy.h>
108#include <linux/mutex.h> 109#include <linux/mutex.h>
110#include <linux/rtmutex.h>
109 111
110#include <asm/uaccess.h> 112#include <asm/uaccess.h>
111#include <asm/cacheflush.h> 113#include <asm/cacheflush.h>
@@ -492,17 +494,6 @@ struct kmem_cache {
492#endif 494#endif
493 495
494#if DEBUG 496#if DEBUG
495/*
496 * Magic nums for obj red zoning.
497 * Placed in the first word before and the first word after an obj.
498 */
499#define RED_INACTIVE 0x5A2CF071UL /* when obj is inactive */
500#define RED_ACTIVE 0x170FC2A5UL /* when obj is active */
501
502/* ...and for poisoning */
503#define POISON_INUSE 0x5a /* for use-uninitialised poisoning */
504#define POISON_FREE 0x6b /* for use-after-free poisoning */
505#define POISON_END 0xa5 /* end-byte of poisoning */
506 497
507/* 498/*
508 * memory layout of objects: 499 * memory layout of objects:
@@ -1083,7 +1074,7 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp)
1083 1074
1084#endif 1075#endif
1085 1076
1086static int cpuup_callback(struct notifier_block *nfb, 1077static int __devinit cpuup_callback(struct notifier_block *nfb,
1087 unsigned long action, void *hcpu) 1078 unsigned long action, void *hcpu)
1088{ 1079{
1089 long cpu = (long)hcpu; 1080 long cpu = (long)hcpu;
@@ -1265,7 +1256,9 @@ bad:
1265 return NOTIFY_BAD; 1256 return NOTIFY_BAD;
1266} 1257}
1267 1258
1268static struct notifier_block cpucache_notifier = { &cpuup_callback, NULL, 0 }; 1259static struct notifier_block __cpuinitdata cpucache_notifier = {
1260 &cpuup_callback, NULL, 0
1261};
1269 1262
1270/* 1263/*
1271 * swap the static kmem_list3 with kmalloced memory 1264 * swap the static kmem_list3 with kmalloced memory
@@ -3405,7 +3398,7 @@ void kfree(const void *objp)
3405 local_irq_save(flags); 3398 local_irq_save(flags);
3406 kfree_debugcheck(objp); 3399 kfree_debugcheck(objp);
3407 c = virt_to_cache(objp); 3400 c = virt_to_cache(objp);
3408 mutex_debug_check_no_locks_freed(objp, obj_size(c)); 3401 debug_check_no_locks_freed(objp, obj_size(c));
3409 __cache_free(c, (void *)objp); 3402 __cache_free(c, (void *)objp);
3410 local_irq_restore(flags); 3403 local_irq_restore(flags);
3411} 3404}