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| author | KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> | 2011-05-26 17:12:12 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-05-26 13:54:03 +0200 |
| commit | b80ef10e84d85a06bcd0b3a24a752ec32d0e0e40 (patch) | |
| tree | 39a1d5b97203b99ab736f1b804a7782d6b3a05a5 /arch/x86/pci/i386.c | |
| parent | de66ee979d0ea45171cc2501750e9f9f22f5a690 (diff) | |
| download | blackbird-op-linux-b80ef10e84d85a06bcd0b3a24a752ec32d0e0e40.tar.gz blackbird-op-linux-b80ef10e84d85a06bcd0b3a24a752ec32d0e0e40.zip | |
x86: Move do_page_fault()'s error path under unlikely()
Ingo suggested SIGKILL check should be moved into slowpath
function. This will reduce the page fault fastpath impact
of this recent commit:
37b23e0525d3: x86,mm: make pagefault killable
Suggested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: kamezawa.hiroyu@jp.fujitsu.com
Cc: minchan.kim@gmail.com
Cc: willy@linux.intel.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/4DDE0B5C.9050907@jp.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/pci/i386.c')
0 files changed, 0 insertions, 0 deletions
