From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752808Ab2GFEwa (ORCPT ); Fri, 6 Jul 2012 00:52:30 -0400 Received: from mail-pb0-f46.google.com ([209.85.160.46]:63205 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751956Ab2GFEwT (ORCPT ); Fri, 6 Jul 2012 00:52:19 -0400 From: Wanpeng Li 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 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> X-Mailer: git-send-email 1.7.5.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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