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

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Date:	Sat, 07 Jun 2008 13:40:29 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Keika Kobayashi <kobayashi.kk@...s.nec.co.jp>
Cc:	kosaki.motohiro@...fujitsu.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, akpm@...ux-foundation.org,
	nagar@...son.ibm.com, balbir@...ibm.com, sekharan@...ibm.com,
	kamezawa.hiroyu@...fujitsu.com
Subject: Re: [PATCH 1/3 v2] per-task-delay-accounting: add memory reclaim delay

> 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: KOSAKI Motohiro <kosaki.motohiro@...fujistu.com>



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