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yaml
---
r: 330423
b: refs/heads/master
c: f3f7410
h: refs/heads/master
i:
  330421: ed80b89
  330419: 6d38269
  330415: 444ec6c
v: v3
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Ezequiel Garcia authored and Pekka Enberg committed Sep 25, 2012
1 parent 399c82e commit 2f4cdaf
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Showing 3 changed files with 29 additions and 6 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ff4fcd01ec86d98d15d2fd96f22f19bb1d341b88
refs/heads/master: f3f741019595f1e73564d985f5fe8abcbb98c769
6 changes: 4 additions & 2 deletions trunk/include/linux/slab.h
Original file line number Diff line number Diff line change
Expand Up @@ -321,7 +321,8 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep,
* request comes from.
*/
#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
(defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
(defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) || \
(defined(CONFIG_SLOB) && defined(CONFIG_TRACING))
extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
#define kmalloc_track_caller(size, flags) \
__kmalloc_track_caller(size, flags, _RET_IP_)
Expand All @@ -340,7 +341,8 @@ extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
* allocation request comes from.
*/
#if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \
(defined(CONFIG_SLAB) && defined(CONFIG_TRACING))
(defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) || \
(defined(CONFIG_SLOB) && defined(CONFIG_TRACING))
extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long);
#define kmalloc_node_track_caller(size, flags, node) \
__kmalloc_node_track_caller(size, flags, node, \
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27 changes: 24 additions & 3 deletions trunk/mm/slob.c
Original file line number Diff line number Diff line change
Expand Up @@ -425,7 +425,8 @@ static void slob_free(void *block, int size)
* End of slob allocator proper. Begin kmem_cache_alloc and kmalloc frontend.
*/

void *__kmalloc_node(size_t size, gfp_t gfp, int node)
static __always_inline void *
__do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller)
{
unsigned int *m;
int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN);
Expand All @@ -446,7 +447,7 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
*m = size;
ret = (void *)m + align;

trace_kmalloc_node(_RET_IP_, ret,
trace_kmalloc_node(caller, ret,
size, size + align, gfp, node);
} else {
unsigned int order = get_order(size);
Expand All @@ -460,15 +461,35 @@ void *__kmalloc_node(size_t size, gfp_t gfp, int node)
page->private = size;
}

trace_kmalloc_node(_RET_IP_, ret,
trace_kmalloc_node(caller, ret,
size, PAGE_SIZE << order, gfp, node);
}

kmemleak_alloc(ret, size, 1, gfp);
return ret;
}

void *__kmalloc_node(size_t size, gfp_t gfp, int node)
{
return __do_kmalloc_node(size, gfp, node, _RET_IP_);
}
EXPORT_SYMBOL(__kmalloc_node);

#ifdef CONFIG_TRACING
void *__kmalloc_track_caller(size_t size, gfp_t gfp, unsigned long caller)
{
return __do_kmalloc_node(size, gfp, NUMA_NO_NODE, caller);
}

#ifdef CONFIG_NUMA
void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
int node, unsigned long caller)
{
return __do_kmalloc_node(size, gfp, node, caller);
}
#endif
#endif

void kfree(const void *block)
{
struct page *sp;
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