linux-kernel - Re: [BUGFIX][PATCH 1/5] memcg use correct scan number at reclaim

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Message-ID: <2f11576a0903120423i56958bbbuc88cdd8cec5c9c17@mail.gmail.com>
Date:	Thu, 12 Mar 2009 20:23:39 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	balbir@...ux.vnet.ibm.com
Cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"nishimura@....nes.nec.co.jp" <nishimura@....nes.nec.co.jp>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: [BUGFIX][PATCH 1/5] memcg use correct scan number at reclaim

>> > IIUC, # of pages to be scanned is just determined once, here.
>>
>> In this case, lockless is right behavior.
>> lockless is valuable than precise ZSTAT. end user can't observe this race.
>>
>
> Lockless works fine provided the data is correctly aligned. I need to
> check this out more thoroghly.

Thanks a lot :)
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