From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
linux-mm@kvack.org, Balbir Singh <balbir@linux.vnet.ibm.com>,
Pavel Emelyanov <xemul@openvz.org>,
linux-kernel@vger.kernel.org, stable@kernel.org,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Subject: Re: [PATCH] [TRIVIAL] memcg: fix memory.memsw.usage_in_bytes for root cgroup
Date: Thu, 10 Dec 2009 10:13:55 +0900 [thread overview]
Message-ID: <20091210101355.d94988cf.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20091209162109.567ff5fa.akpm@linux-foundation.org>
On Wed, 9 Dec 2009 16:21:09 -0800
Andrew Morton <akpm@linux-foundation.org> wrote:
> On Thu, 10 Dec 2009 08:59:29 +0900
> KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:
>
> > On Wed, 9 Dec 2009 17:48:58 +0200
> > "Kirill A. Shutemov" <kirill@shutemov.name> wrote:
> >
> > > We really want to take MEM_CGROUP_STAT_SWAPOUT into account.
> > >
> > > Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
> > > Cc: stable@kernel.org
> >
> > Thanks.
> >
> > Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> >
>
> Is this bug sufficiently serious to justify a -stable backport?
>
I think so.
> If so, why?
>
memory cgroup has a file memory.memsw.usage_in_bytes file. It shows sum of
the usage of pages and swapents in the cgroup. Now, root cgroup's
memsw.usage_in_bytes shows wrong value....the number of swapents are not
added. This patch fixesi it.
Thanks,
-Kame
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next prev parent reply other threads:[~2009-12-10 1:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-09 15:48 Kirill A. Shutemov
2009-12-09 16:11 ` Daisuke Nishimura
2009-12-09 23:59 ` KAMEZAWA Hiroyuki
2009-12-10 0:21 ` Andrew Morton
2009-12-10 1:13 ` KAMEZAWA Hiroyuki [this message]
2009-12-10 1:16 ` Daisuke Nishimura
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