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authorLinus Torvalds <torvalds@linux-foundation.org>2009-02-02 19:27:00 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-02-02 19:27:00 -0800
commit859281ff370977f917ec2195f86a5bfccf1fc6d6 (patch)
treeea8b4d21187b5de7b61ca368701c89d3504d5f96
parent93bfbd71db4d2e01c05e219f285249a74808b1d4 (diff)
parentf58914e41473faf15e2dd66ad26be914da1bce71 (diff)
downloadop-kernel-dev-859281ff370977f917ec2195f86a5bfccf1fc6d6.zip
op-kernel-dev-859281ff370977f917ec2195f86a5bfccf1fc6d6.tar.gz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: slub: fix per cpu kmem_cache_cpu array memory leak kmalloc: return NULL instead of link failure
-rw-r--r--include/linux/slab_def.h10
-rw-r--r--mm/slub.c2
2 files changed, 3 insertions, 9 deletions
diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h
index 39c3a5e..6ca6a7b 100644
--- a/include/linux/slab_def.h
+++ b/include/linux/slab_def.h
@@ -43,10 +43,7 @@ static inline void *kmalloc(size_t size, gfp_t flags)
i++;
#include <linux/kmalloc_sizes.h>
#undef CACHE
- {
- extern void __you_cannot_kmalloc_that_much(void);
- __you_cannot_kmalloc_that_much();
- }
+ return NULL;
found:
#ifdef CONFIG_ZONE_DMA
if (flags & GFP_DMA)
@@ -77,10 +74,7 @@ static inline void *kmalloc_node(size_t size, gfp_t flags, int node)
i++;
#include <linux/kmalloc_sizes.h>
#undef CACHE
- {
- extern void __you_cannot_kmalloc_that_much(void);
- __you_cannot_kmalloc_that_much();
- }
+ return NULL;
found:
#ifdef CONFIG_ZONE_DMA
if (flags & GFP_DMA)
diff --git a/mm/slub.c b/mm/slub.c
index 6392ae5..bdc9abb 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1996,7 +1996,7 @@ static struct kmem_cache_cpu *alloc_kmem_cache_cpu(struct kmem_cache *s,
static void free_kmem_cache_cpu(struct kmem_cache_cpu *c, int cpu)
{
if (c < per_cpu(kmem_cache_cpu, cpu) ||
- c > per_cpu(kmem_cache_cpu, cpu) + NR_KMEM_CACHE_CPU) {
+ c >= per_cpu(kmem_cache_cpu, cpu) + NR_KMEM_CACHE_CPU) {
kfree(c);
return;
}
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