From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 20 Feb 2008 18:24:19 +0900 From: KOSAKI Motohiro Subject: Re: [RFC][PATCH] the proposal of improve page reclaim by throttle In-Reply-To: <44c63dc40802200056va847417v1cfc847341bb8cc0@mail.gmail.com> References: <20080219134715.7E90.KOSAKI.MOTOHIRO@jp.fujitsu.com> <44c63dc40802200056va847417v1cfc847341bb8cc0@mail.gmail.com> Message-Id: <20080220181447.6444.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: minchan Kim Cc: kosaki.motohiro@jp.fujitsu.com, KAMEZAWA Hiroyuki , Balbir Singh , Rik van Riel , Lee Schermerhorn , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Hi Kim-san Do you adjust hackbench parameter? my parameter adjust my test machine(8GB mem), if unchanged, maybe doesn't works it because lack memory. > I am a many interested in your patch. so I want to test it with exact > same method as you did. > I will test it in embedded environment(ARM 920T, 32M ram) and my > desktop machine.(Core2Duo 2.2G, 2G ram) Hm I don't have embedded test machine. but I can desktop. I will test it about weekend. if you don't mind, could you please send me .config file and tell me your test kernel version? Thanks, interesting report. > I guess this patch won't be efficient in embedded environment. > Since many embedded board just have one processor and don't have any > swap device. reclaim conflict rarely happened on UP. thus, my patch expect no improvement. but (of course) I will fix regression. > So, How do I evaluate following field as you did ? > > * elapse (what do you mean it ??) > * major fault /usr/bin/time command output that. > * max parallel reclaim tasks: > * max consumption time of > try_to_free_pages(): sorry, I inserted debug code to my patch at that time. -- 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