diff options
author | Tim Blechmann <tim@klingt.org> | 2009-11-30 12:59:34 -0500 |
---|---|---|
committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2009-12-06 03:21:21 -0500 |
commit | 8e15b79cf4bd20c6afb4663d98a39cd004eee672 (patch) | |
tree | 07fd37869099565727a20ba85cb5b557c5e84fe8 /mm | |
parent | ce79ddc8e2376a9a93c7d42daf89bfcbb9187e62 (diff) |
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')
-rw-r--r-- | mm/slab.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -3320,7 +3320,7 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, | |||
3320 | cache_alloc_debugcheck_before(cachep, flags); | 3320 | cache_alloc_debugcheck_before(cachep, flags); |
3321 | local_irq_save(save_flags); | 3321 | local_irq_save(save_flags); |
3322 | 3322 | ||
3323 | if (unlikely(nodeid == -1)) | 3323 | if (nodeid == -1) |
3324 | nodeid = numa_node_id(); | 3324 | nodeid = numa_node_id(); |
3325 | 3325 | ||
3326 | if (unlikely(!cachep->nodelists[nodeid])) { | 3326 | if (unlikely(!cachep->nodelists[nodeid])) { |