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authorHua Zhong <hzhong@gmail.com>2006-06-25 05:49:32 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:01:26 -0700
commitf58a1ebb22f128fccfeafb2b18557c87741cd627 (patch)
tree02fc9331087b97f69f50ab3bc78ae1e9910aa6ec /fs
parentd84a84775bba661d5a3fd06757bbb419381937f3 (diff)
downloadlinux-f58a1ebb22f128fccfeafb2b18557c87741cd627.tar.bz2
[PATCH] remove unlikely(sb) in prune_dcache
likely profiling shows that the following is a miss. After boot: [+- ] Type | # True | # False | Function:Filename@Line +unlikely | 1074| 0 prune_dcache()@:fs/dcache.c@409 After a bonnie++ run: +unlikely | 66716| 19584 prune_dcache()@:fs/dcache.c@409 So remove it. Signed-off-by: Hua Zhong <hzhong@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/dcache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 313b54b2b8f2..b85fda360533 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -406,7 +406,7 @@ static void prune_dcache(int count, struct super_block *sb)
cond_resched_lock(&dcache_lock);
tmp = dentry_unused.prev;
- if (unlikely(sb)) {
+ if (sb) {
/* Try to find a dentry for this sb, but don't try
* too hard, if they aren't near the tail they will
* be moved down again soon