From: Wanpeng Li <liwp.linux@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, Wanpeng Li <liwp.linux@gmail.com>
Subject: [PATCH] mm/memcg: swappiness should between 0 and 100
Date: Fri, 6 Jul 2012 12:51:52 +0800 [thread overview]
Message-ID: <1341550312-6815-1-git-send-email-liwp.linux@gmail.com> (raw)
From: Wanpeng Li <liwp@linux.vnet.ibm.com>
Signed-off-by: Wanpeng Li <liwp.linux@gmail.com>
---
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
--
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next reply other threads:[~2012-07-06 4:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-06 4:51 Wanpeng Li [this message]
2012-07-06 5:00 ` [PATCH] mm/memcg: swappiness should between 0 and 100 Gavin Shan
2012-07-06 5:04 ` Gavin Shan
2012-07-06 5:08 ` Wanpeng Li
2012-07-06 5:16 ` Gavin Shan
2012-07-06 5:24 ` Wanpeng Li
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