From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>,
linux-mm@kvack.org, Balbir Singh <balbir@linux.vnet.ibm.com>,
Pavel Emelyanov <xemul@openvz.org>
Subject: Re: [cleanup][PATCH mmotm]memcg: don't call mem_cgroup_soft_limit_check() against root cgroup (Re: [BUG?] [PATCH] soft limits and root cgroups)
Date: Wed, 9 Dec 2009 09:24:06 +0900 [thread overview]
Message-ID: <20091209092406.b239a447.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <20091208100954.44996a7e.nishimura@mxp.nes.nec.co.jp>
On Tue, 8 Dec 2009 10:09:54 +0900
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
> From: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
>
> current memory cgroup doesn't use res_counter about root cgroup, so soft limits
> on root cgroup has no use.
> This patch disables writing to <root cgroup>/memory.soft_limit_in_bytes and
> changes uncharge path not to call mem_cgroup_soft_limit_check() against root
> cgroup.
>
> Signed-off-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Thank you.
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next prev parent reply other threads:[~2009-12-09 0:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-07 18:41 [BUG?] [PATCH] soft limits and root cgroups Kirill A. Shutemov
2009-12-08 1:09 ` [cleanup][PATCH mmotm]memcg: don't call mem_cgroup_soft_limit_check() against root cgroup (Re: [BUG?] [PATCH] soft limits and root cgroups) Daisuke Nishimura
2009-12-08 1:47 ` Balbir Singh
2009-12-08 2:13 ` Daisuke Nishimura
2009-12-09 0:24 ` KAMEZAWA Hiroyuki [this message]
2009-12-09 9:37 ` [BUG?] [PATCH] soft limits and root cgroups Kirill A. Shutemov
2009-12-09 11:30 ` Daisuke Nishimura
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