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(parent: 0216bfc) | patch
[PATCH] remove unlikely() in might_sleep_if()
authorHua Zhong <hzhong@gmail.com>
Fri, 23 Jun 2006 09:05:42 +0000 (02:05 -0700)
committerLinus Torvalds <torvalds@g5.osdl.org>
Fri, 23 Jun 2006 14:43:06 +0000 (07:43 -0700)
commit368a5fa1f28589e6b54588a139ea872d5b4b1914
tree346923893f4814dffb51049f92f81c327374e60ctree | snapshot
parent0216bfcffe424a5473daa4da47440881b36c1f41commit | diff
[PATCH] remove unlikely() in might_sleep_if()

The likely() profiling tools show that __alloc_page() causes a lot of misses:

!       132    119193 __alloc_pages():mm/page_alloc.c@937

Because most __alloc_page() calls are not atomic.

Signed-off-by: Hua Zhong <hzhong@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
include/linux/kernel.h diff | blob | history
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