From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx190.postini.com [74.125.245.190]) by kanga.kvack.org (Postfix) with SMTP id 37BF96B0070 for ; Fri, 6 Jul 2012 00:52:19 -0400 (EDT) Received: by pbbrp2 with SMTP id rp2so16850650pbb.14 for ; Thu, 05 Jul 2012 21:52:18 -0700 (PDT) From: Wanpeng Li Subject: [PATCH] mm/memcg: swappiness should between 0 and 100 Date: Fri, 6 Jul 2012 12:51:52 +0800 Message-Id: <1341550312-6815-1-git-send-email-liwp.linux@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Johannes Weiner , Michal Hocko , KAMEZAWA Hiroyuki , cgroups@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Wanpeng Li From: Wanpeng Li Signed-off-by: Wanpeng Li --- mm/memcontrol.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 5e4d1ab..69a7d45 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4176,7 +4176,7 @@ static int mem_cgroup_swappiness_write(struct cgroup *cgrp, struct cftype *cft, struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp); struct mem_cgroup *parent; - if (val > 100) + if (val > 100 || val < 0) return -EINVAL; if (cgrp->parent == NULL) -- 1.7.5.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org