Messages in this thread Patch in this message | | | From | Joonsoo Kim <> | Subject | [PATCH v2 3/3] slub: add 'likely' macro to inc_slabs_node() | Date | Mon, 21 Jan 2013 17:01:27 +0900 |
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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>
diff --git a/mm/slub.c b/mm/slub.c index 8b95364..ddbd401 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -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); } -- 1.7.9.5
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