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slub: add 'likely' macro to inc_slabs_node() 

After boot phase, 'n' always exist.
So add 'likely' macro for helping compiler.

Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Joonsoo Kim 2013-01-21 17:01:27 +09:00 committed by Pekka Enberg
parent 633b076464
commit 338b264229
1 changed files with 1 additions and 1 deletions
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mm/slub.c
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@ -1005,7 +1005,7 @@ static inline void inc_slabs_node(struct kmem_cache *s, int node, int objects)
* dilemma by deferring the increment of the count during
* bootstrap (see early_kmem_cache_node_alloc).
*/
if (n) {
if (likely(n)) {
atomic_long_inc(&n->nr_slabs);
atomic_long_add(objects, &n->total_objects);
}