commit bb29902a7515208846114b3b36a4281a9bbf766a
author Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Fri Mar 25 14:20:44 2016 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> Fri Mar 25 16:37:42 2016 -0700
tree 95eafdcebc4f9c100db32ddb8c7ac0099a252555
parent e26796066fdf929cbba22dabb801808f986acdb9

oom, oom_reaper: protect oom_reaper_list using simpler way

"oom, oom_reaper: disable oom_reaper for oom_kill_allocating_task" tried
to protect oom_reaper_list using MMF_OOM_KILLED flag.  But we can do it
by simply checking tsk->oom_reaper_list != NULL.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>