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: mem_cgroup_relize_xxx_limit can guarantee memcg->res.limit <= memcg->memsw.limit
Date: Fri, 6 Jul 2012 11:21:00 +0800 [thread overview]
Message-ID: <1341544860-5634-1-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 | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 4b64fe0..a501660 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3418,7 +3418,7 @@ static int mem_cgroup_resize_limit(struct mem_cgroup *memcg,
/*
* Rather than hide all in some function, I do this in
* open coded manner. You see what this really does.
- * We have to guarantee memcg->res.limit < memcg->memsw.limit.
+ * We have to guarantee memcg->res.limit <= memcg->memsw.limit.
*/
mutex_lock(&set_limit_mutex);
memswlimit = res_counter_read_u64(&memcg->memsw, RES_LIMIT);
@@ -3479,7 +3479,7 @@ static int mem_cgroup_resize_memsw_limit(struct mem_cgroup *memcg,
/*
* Rather than hide all in some function, I do this in
* open coded manner. You see what this really does.
- * We have to guarantee memcg->res.limit < memcg->memsw.limit.
+ * We have to guarantee memcg->res.limit <= memcg->memsw.limit.
*/
mutex_lock(&set_limit_mutex);
memlimit = res_counter_read_u64(&memcg->res, RES_LIMIT);
--
1.7.5.4
--
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next reply other threads:[~2012-07-06 3:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-06 3:21 Wanpeng Li [this message]
2012-07-09 4:44 ` [PATCH] mm/memcg: mem_cgroup_relize_xxx_limit can guarantee memcg->res.limit <= memcg->memsw.limit Kamezawa Hiroyuki
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