From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Tue, 10 Aug 2010 00:19:39 +0000 (-0700)
Subject: oom: cleanup has_intersects_mems_allowed()
X-Git-Tag: accepted/tizen/common/20141203.182822~10773
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=df1090a8dda40b6e11d8cd09e8fc900cfe913b38;p=platform%2Fkernel%2Flinux-arm64.git

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>
---

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 79b3483..342d433 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