linux-kernel - Re: [RFC][PATCH 7/6] memcg: add atribute (for change bahavior of rmdir)

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Message-ID: <4912F53A.2070407@linux.vnet.ibm.com>
Date:	Thu, 06 Nov 2008 19:16:34 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"menage@...gle.com" <menage@...gle.com>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>
Subject: Re: [RFC][PATCH 7/6] memcg: add atribute (for change bahavior of
 rmdir)

KAMEZAWA Hiroyuki wrote:
> On Thu, 06 Nov 2008 12:24:11 +0530
> Balbir Singh <balbir@...ux.vnet.ibm.com> wrote:
> 
>> KAMEZAWA Hiroyuki wrote:
>>> Weekly (RFC) update for memcg.
>>>
>>> This set includes
>>>
>>> 1. change force_empty to do move account rather than forget all
>> I would like this to be selectable, please. We don't want to break behaviour and
>> not everyone would like to pay the cost of movement.
> 
> How about a patch like this ? I'd like to move this as [2/7], if possible.
> It obviously needs painful rework. If I found it difficult, schedule this as [7/7].
> 
> BTW, cost of movement itself is not far from cost for force_empty.
> 
> If you can't find why "forget" is bad, please consider one more day.

The attributes seem quite reasonable, I've taken a quick look, not done a full
review or test.

-- 
	Balbir
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