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| author | Joonsoo Kim <iamjoonsoo.kim@lge.com> | 2014-10-09 15:26:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-10-09 22:25:50 -0400 |
| commit | 61f47105a2c9c60e950ca808b7560f776f9bfa31 (patch) | |
| tree | 10bbc7fb213285e1e673073eedf21a1991a22ea1 /mm/slob.c | |
| parent | 07f361b2bee38896df8be17d8c3f8af3f3610606 (diff) | |
| download | linux-61f47105a2c9c60e950ca808b7560f776f9bfa31.tar.bz2 | |
mm/sl[ao]b: always track caller in kmalloc_(node_)track_caller()
Now, we track caller if tracing or slab debugging is enabled. If they are
disabled, we could save one argument passing overhead by calling
__kmalloc(_node)(). But, I think that it would be marginal. Furthermore,
default slab allocator, SLUB, doesn't use this technique so I think that
it's okay to change this situation.
After this change, we can turn on/off CONFIG_DEBUG_SLAB without full
kernel build and remove some complicated '#if' defintion. It looks more
benefitial to me.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slob.c')
| -rw-r--r-- | mm/slob.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/slob.c b/mm/slob.c index 21980e0f39a8..96a86206a26b 100644 --- a/mm/slob.c +++ b/mm/slob.c @@ -468,7 +468,6 @@ void *__kmalloc(size_t size, gfp_t gfp) } EXPORT_SYMBOL(__kmalloc); -#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); @@ -481,7 +480,6 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfp, return __do_kmalloc_node(size, gfp, node, caller); } #endif -#endif void kfree(const void *block) { |