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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-06-11 13:23:18 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-06-11 17:03:30 +0100 |
| commit | 06f22f13f3cc2eff00db09f053218e5d4b757bc8 (patch) | |
| tree | ec913d87a0ed78912e22c78ce03d65f9ebd7061d /mm/slub.c | |
| parent | 4374e616d28e65265a5b433ceece275449f3d2e3 (diff) | |
| download | lwn-06f22f13f3cc2eff00db09f053218e5d4b757bc8.tar.gz lwn-06f22f13f3cc2eff00db09f053218e5d4b757bc8.zip | |
kmemleak: Add the slub memory allocation/freeing hooks
This patch adds the callbacks to kmemleak_(alloc|free) functions from the
slub allocator.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Lameter <cl@linux-foundation.org>
Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c index 5e805a6fe36c..6674a7907b0c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -20,6 +20,7 @@ #include <linux/kmemtrace.h> #include <linux/cpu.h> #include <linux/cpuset.h> +#include <linux/kmemleak.h> #include <linux/mempolicy.h> #include <linux/ctype.h> #include <linux/debugobjects.h> @@ -143,7 +144,7 @@ * Set of flags that will prevent slab merging */ #define SLUB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \ - SLAB_TRACE | SLAB_DESTROY_BY_RCU) + SLAB_TRACE | SLAB_DESTROY_BY_RCU | SLAB_NOLEAKTRACE) #define SLUB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \ SLAB_CACHE_DMA) @@ -1617,6 +1618,7 @@ static __always_inline void *slab_alloc(struct kmem_cache *s, if (unlikely((gfpflags & __GFP_ZERO) && object)) memset(object, 0, objsize); + kmemleak_alloc_recursive(object, objsize, 1, s->flags, gfpflags); return object; } @@ -1746,6 +1748,7 @@ static __always_inline void slab_free(struct kmem_cache *s, struct kmem_cache_cpu *c; unsigned long flags; + kmemleak_free_recursive(x, s->flags); local_irq_save(flags); c = get_cpu_slab(s, smp_processor_id()); debug_check_no_locks_freed(object, c->objsize); |