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authorAndrew Morton <akpm@linux-foundation.org>2008-07-24 04:27:19 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-24 17:47:15 (GMT)
commit2185e69f680ae8c8496b6fc15e20c889d5b39b67 (patch)
tree5835610f8c89786ef18860e02937d1dd9b0977f6
parent9023cb7e8564d95a1893f8cb6895a293be9a71fe (diff)
downloadlinux-2185e69f680ae8c8496b6fc15e20c889d5b39b67.tar.xz
mapping_set_error: add unlikely()
This is called on a per-page basis and in the vast majority of cases `error' is zero. Cc: Guillaume Chazarain <guichaz@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/pagemap.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index d2fca80..ee1ec2c 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -22,7 +22,7 @@
static inline void mapping_set_error(struct address_space *mapping, int error)
{
- if (error) {
+ if (unlikely(error)) {
if (error == -ENOSPC)
set_bit(AS_ENOSPC, &mapping->flags);
else