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authorTim Blechmann <tim@klingt.org>2009-11-30 18:59:34 +0100
committerPekka Enberg <penberg@cs.helsinki.fi>2009-12-06 10:21:21 +0200
commit8e15b79cf4bd20c6afb4663d98a39cd004eee672 (patch)
tree07fd37869099565727a20ba85cb5b557c5e84fe8 /mm/slab.c
parentce79ddc8e2376a9a93c7d42daf89bfcbb9187e62 (diff)
downloadop-kernel-dev-8e15b79cf4bd20c6afb4663d98a39cd004eee672.zip
op-kernel-dev-8e15b79cf4bd20c6afb4663d98a39cd004eee672.tar.gz
SLAB: Fix unlikely() annotation in __cache_alloc_node()
Branch profiling on my nehalem machine showed 99% incorrect branch hints: 28459 7678524 99 __cache_alloc_node slab.c 3551 Discussion on lkml [1] led to the solution to remove this hint. [1] http://patchwork.kernel.org/patch/63517/ Signed-off-by: Tim Blechmann <tim@klingt.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm/slab.c')
-rw-r--r--mm/slab.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/slab.c b/mm/slab.c
index 84de47e..a07540e 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3320,7 +3320,7 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid,
cache_alloc_debugcheck_before(cachep, flags);
local_irq_save(save_flags);
- if (unlikely(nodeid == -1))
+ if (nodeid == -1)
nodeid = numa_node_id();
if (unlikely(!cachep->nodelists[nodeid])) {
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