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tracing, slab: Define kmem_cache_alloc_notrace ifdef CONFIG_TRACING

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Define kmem_trace_alloc_{,node}_notrace() if CONFIG_TRACING is
enabled, otherwise perf-kmem will show wrong stats ifndef
CONFIG_KMEM_TRACE, because a kmalloc() memory allocation may
be traced by both trace_kmalloc() and trace_kmem_cache_alloc().

Signed-off-by: Li Zefan <[email protected]>
Reviewed-by: Pekka Enberg <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Eduard - Gabriel Munteanu <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Li Zefan 2009-12-11 15:45:30 +08:00 • committed by Ingo Molnar
commit 0f24f1287a
4 changed files with 9 additions and 9 deletions
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6
mm/slab.c
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@ -490,7 +490,7 @@ static void **dbg_userword(struct kmem_cache *cachep, void *objp)
#endif
#ifdef CONFIG_KMEMTRACE
#ifdef CONFIG_TRACING
size_t slab_buffer_size(struct kmem_cache *cachep)
{
return cachep->buffer_size;
@ -3558,7 +3558,7 @@ void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags)
}
EXPORT_SYMBOL(kmem_cache_alloc);
#ifdef CONFIG_KMEMTRACE
#ifdef CONFIG_TRACING
void *kmem_cache_alloc_notrace(struct kmem_cache *cachep, gfp_t flags)
{
return __cache_alloc(cachep, flags, __builtin_return_address(0));
@ -3621,7 +3621,7 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid)
}
EXPORT_SYMBOL(kmem_cache_alloc_node);
#ifdef CONFIG_KMEMTRACE
#ifdef CONFIG_TRACING
void *kmem_cache_alloc_node_notrace(struct kmem_cache *cachep,
gfp_t flags,
int nodeid)