From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 07 Jun 2008 13:40:29 +0900 From: KOSAKI Motohiro Subject: Re: [PATCH 1/3 v2] per-task-delay-accounting: add memory reclaim delay In-Reply-To: <20080605163111.8877ecb7.kobayashi.kk@ncos.nec.co.jp> References: <20080605162759.a6adf291.kobayashi.kk@ncos.nec.co.jp> <20080605163111.8877ecb7.kobayashi.kk@ncos.nec.co.jp> Message-Id: <20080607133921.9C3D.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Keika Kobayashi Cc: kosaki.motohiro@jp.fujitsu.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, nagar@watson.ibm.com, balbir@in.ibm.com, sekharan@us.ibm.com, kamezawa.hiroyu@jp.fujitsu.com List-ID: > 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org