From mboxrd@z Thu Jan 1 00:00:00 1970 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> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer; bh=AkwTclw8GnJUtH1YeFsqPty7/21gwZoRLsvuK1dfkik=; b=ea0vqoUC5s5hXZKV2efj6FBDAiupRnD9rkHGIkzFkO1bOdWw8O1gXfaG8nw2PfT7FO 89q5zOh53L8r7DIDiX7bcbKJJxla2tQ6g6X2vxPqTv0VC8LTssTkPET+D2AaW/txjpYx l8UtV0hBAyTXncNsRKYrXRIrOQjWhKi/AfWaISyJLlDdBHxUxSpHM7Yy+oOH99/gDJPC JUWRmoBdhYShV9gmOgFUP/DjGHhiUES+JcmyZeYHKvCdQqYyPNjHpLRZ7gEsFRFB7k4K PgAU2/8t7rG/3NOIFc/GZkjovcDf6vH9G8usfqpdn2UxW3LL6xRqhEOKoAAkvI0G9en8 neMQ== Sender: owner-linux-mm@kvack.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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