linux-kernel - Re: [PATCH 1/3 v2] per-task-delay-accounting: add memory reclaim delay

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Date:	Fri, 06 Jun 2008 09:20:30 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Keika Kobayashi <kobayashi.kk@...s.nec.co.jp>
CC:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	akpm@...ux-foundation.org, nagar@...son.ibm.com, balbir@...ibm.com,
	sekharan@...ibm.com, kosaki.motohiro@...fujitsu.com,
	kamezawa.hiroyu@...fujitsu.com
Subject: Re: [PATCH 1/3 v2] per-task-delay-accounting: add memory reclaim
 delay

Keika Kobayashi wrote:
> Sometimes, application responses become bad under heavy memory load.
> Applications take a bit time to reclaim memory.
> The statistics, how long memory reclaim takes, will be useful to
> measure memory usage.
> 
> This patch adds accounting memory reclaim to per-task-delay-accounting
> for accounting the time of do_try_to_free_pages().
> 

Looks good to me

Acked-by: Balbir Singh <balbir@...ux.vnet.ibm.com>

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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