tree 23dad05636e88a743755bfd3e7a5dad4ef5e49e0
parent 1f0b8b95543118f97197a978560438c1ce88cd00
author KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> 1263603678 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1263689635 -0800

page allocator: update NR_FREE_PAGES only when necessary

commit f2260e6b (page allocator: update NR_FREE_PAGES only as necessary)
made one minor regression.  if __rmqueue() was failed, NR_FREE_PAGES stat
go wrong.  this patch fixes it.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Reported-by: Huang Shijie <shijie8@gmail.com>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>