linux-kernel - Re: [RFC][PATCH 1/6] memcg: fix pre

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Message-ID: <6599ad830812101628o3899c091gd39ef9bd5df851b0@mail.gmail.com>
Date:	Wed, 10 Dec 2008 16:28:38 -0800
From:	Paul Menage <menage@...gle.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"balbir@...ux.vnet.ibm.com" <balbir@...ux.vnet.ibm.com>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"lizf@...fujitsu.com" <lizf@...fujitsu.com>,
	"kosaki.motohiro@...fujitsu.com" <kosaki.motohiro@...fujitsu.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC][PATCH 1/6] memcg: fix pre_destory handler

On Wed, Dec 10, 2008 at 4:25 PM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@...fujitsu.com> wrote:
>>
>> Can you clarify what you mean by "rolling update of refcnts"?
>>
>  for(..i++)
>        atomic_dec/inc( refcnt[i)
>
> But my first version of this patch did above. I can write it again easily.

I just sent out a small patch collection that had my version of
css_tryget() in it - is that what you had in mind by "rolling update"?

Paul
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