linux-kernel - Re: [PATCH 2/3] memcg: put a restriction on writing memory.force

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Message-Id: <20080311192338.9f89ca70.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 11 Mar 2008 19:23:38 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	balbir@...ux.vnet.ibm.com
Cc:	Li Zefan <lizf@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Paul Menage <menage@...gle.com>,
	Pavel Emelianov <xemul@...nvz.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org,
	Linux Containers <containers@...ts.osdl.org>
Subject: Re: [PATCH 2/3] memcg: put a restriction on writing
 memory.force_empty

On Tue, 11 Mar 2008 15:45:06 +0530
Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:

> Li Zefan wrote:
> > We can write whatever to memory.force_empty:
> > 
> >         echo 999 > memory.force_empty
> >         echo wow > memory.force_empty
> > 
> > This is odd, so let's make '1' to be the only valid value.
> 
> I suspect as long as there is no unreasonable side-effect, writing 999 or wow
> should be OK.
> 
I agree with Balbir.

Thanks,
-Kame

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