From: Li Zefan <lizf@cn.fujitsu.com>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: linux-mm@kvack.org, YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
Paul Menage <menage@google.com>,
linux-kernel@vger.kernel.org,
Nick Piggin <nickpiggin@yahoo.com.au>,
David Rientjes <rientjes@google.com>,
Pavel Emelianov <xemul@openvz.org>,
Dhaval Giani <dhaval@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [mm] [PATCH 1/4] Memory cgroup hierarchy documentation (v4)
Date: Mon, 17 Nov 2008 09:06:29 +0800 [thread overview]
Message-ID: <4920C395.1000208@cn.fujitsu.com> (raw)
In-Reply-To: <20081116081040.25166.65142.sendpatchset@balbir-laptop>
> +6.1 Enabling hierarchical accounting and reclaim
> +
> +The memory controller by default disables the hierarchy feature. Support
> +can be enabled by writing 1 to memory.use_hierarchy file of the root cgroup
> +
> +# echo 1 > memory.use_hierarchy
> +
> +The feature can be disabled by
> +
> +# echo 0 > memory.use_hierarchy
> +
> +NOTE1: Enabling/disabling will fail if the cgroup already has other
> +cgroups created below it.
> +
It's better to also document that it will fail if it's parent's use_hierarchy
is already enabled.
> +NOTE2: This feature can be enabled/disabled per subtree.
> +
> +7. TODO
>
> 1. Add support for accounting huge pages (as a separate controller)
> 2. Make per-cgroup scanner reclaim not-shared pages first
> _
>
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next prev parent reply other threads:[~2008-11-17 1:06 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-16 8:10 [mm][PATCH 0/4] Memory cgroup hierarchy introduction (v4) Balbir Singh
2008-11-16 8:10 ` [mm] [PATCH 1/4] Memory cgroup hierarchy documentation (v4) Balbir Singh
2008-11-17 1:06 ` Li Zefan [this message]
2008-11-17 3:37 ` Balbir Singh
2008-11-16 8:10 ` [mm] [PATCH 2/4] Memory cgroup resource counters for hierarchy (v4) Balbir Singh
2008-11-16 8:10 ` [mm] [PATCH 3/4] Memory cgroup hierarchical reclaim (v4) Balbir Singh
2008-11-25 11:58 ` Daisuke Nishimura
2008-11-25 15:01 ` Balbir Singh
2008-11-26 2:14 ` Daisuke Nishimura
2008-12-09 2:59 ` KAMEZAWA Hiroyuki
2008-12-09 3:48 ` Balbir Singh
2008-12-09 3:57 ` KAMEZAWA Hiroyuki
2008-12-09 3:53 ` Daisuke Nishimura
2008-12-09 3:58 ` KAMEZAWA Hiroyuki
2008-11-16 8:11 ` [mm] [PATCH 4/4] Memory cgroup hierarchy feature selector (v4) Balbir Singh
2008-11-17 4:46 ` Li Zefan
2008-11-17 4:49 ` Balbir Singh
2008-11-18 23:28 ` Andrew Morton
2008-11-19 5:04 ` Balbir Singh
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