tree cae49afedfa97a2ba02dd4e7987e469a60fa2b65
parent 52cd4e5c620af9e21b5298bf01844b98573505a7
author Minchan Kim <minchan.kim@gmail.com> 1305152010 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1305165044 -0700

mm: check PageUnevictable in lru_deactivate_fn()

The lru_deactivate_fn should not move page which in on unevictable lru
into inactive list.  Otherwise, we can meet BUG when we use
isolate_lru_pages as __isolate_lru_page could return -EINVAL.

Reported-by: Ying Han <yinghan@google.com>
Tested-by: Ying Han <yinghan@google.com>
Signed-off-by: Minchan Kim <minchan.kim@gmail.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Rik van Riel<riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>