path: root/mm/slob.c
diff options
authorJoonsoo Kim <>2014-10-09 15:26:02 -0700
committerLinus Torvalds <>2014-10-09 22:25:50 -0400
commit61f47105a2c9c60e950ca808b7560f776f9bfa31 (patch)
tree10bbc7fb213285e1e673073eedf21a1991a22ea1 /mm/slob.c
parent07f361b2bee38896df8be17d8c3f8af3f3610606 (diff)
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 <> Acked-by: Christoph Lameter <> Cc: Pekka Enberg <> Cc: David Rientjes <> Cc: Zhang Yanfei <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'mm/slob.c')
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)
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);
void kfree(const void *block)