oom: cleanup has_intersects_mems_allowed()

presently has_intersects_mems_allowed() has own thread iterate logic, but
it should use while_each_thread().

It slightly improve the code readability.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 79b34831ad79..342d4333f718 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -69,8 +69,8 @@ static bool has_intersects_mems_allowed(struct task_struct *tsk,
                         if (cpuset_mems_allowed_intersects(current, tsk))
                                 return true;
                 }
-                tsk = next_thread(tsk);
-        } while (tsk != start);
+        } while_each_thread(start, tsk);
+
         return false;
 }
 #else