OpenE2K/linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

SLAB: Fix unlikely() annotation in __cache_alloc_node()

Browse Source 
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>
This commit is contained in:
Tim Blechmann 2009-11-30 18:59:34 +01:00 committed by Pekka Enberg
parent ce79ddc8e2
commit 8e15b79cf4
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
mm/slab.c
View File

@ -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])) {