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From: Andi Kleen <andi@firstfloor.org>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: andi@firstfloor.org, Andrew Morton <akpm@linux-foundation.org>,
	YAMAMOTO Takashi <yamamoto@valinux.co.jp>,
	Paul Menage <menage@google.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	Pavel Emelianov <xemul@openvz.org>,
	hugh@veritas.com,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [-mm] Disable the memory controller by default
Date: Mon, 7 Apr 2008 14:03:40 +0200	[thread overview]
Message-ID: <20080407120340.GB16647@one.firstfloor.org> (raw)
In-Reply-To: <20080407115137.24124.59692.sendpatchset@localhost.localdomain>

On Mon, Apr 07, 2008 at 05:21:37PM +0530, Balbir Singh wrote:
> 
> 
> Due to the overhead of the memory controller. The
> memory controller is now disabled by default. This patch changes
> cgroup_disable to cgroup_toggle, so that each controller can decide
> whether it wants to be enabled/disabled by default.
> 
> If everyone agrees on this approach and likes it, should we push this
> into 2.6.25?

First I like the change to make it disabled by default.

I don't think "toggle" is good semantics for a user visible switch
because that changes the meaning when the kernel default changes
(which it will likely once the current default overhead is fixed)

It should be rather: cgroup=on/off 

-Andi

  reply	other threads:[~2008-04-07 12:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-07 11:51 Balbir Singh
2008-04-07 12:03 ` Andi Kleen [this message]
2008-04-07 12:03   ` Balbir Singh
2008-04-07 12:16     ` Andi Kleen
2008-04-07 12:16     ` KOSAKI Motohiro
2008-04-07 12:16       ` Balbir Singh
2008-04-07 17:48         ` Paul Menage
2008-04-07 12:12 ` KOSAKI Motohiro

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