From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by py-out-1112.google.com with SMTP id f47so2830723pye.20 for ; Thu, 21 Feb 2008 02:55:39 -0800 (PST) Message-ID: <2f11576a0802210255k1e3acad7n87814e916fd24509@mail.gmail.com> Date: Thu, 21 Feb 2008 19:55:39 +0900 From: "KOSAKI Motohiro" Subject: Re: [RFC][PATCH] the proposal of improve page reclaim by throttle In-Reply-To: <44c63dc40802210138s100e921ekde01b30bae13beb1@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080220181447.6444.KOSAKI.MOTOHIRO@jp.fujitsu.com> <44c63dc40802200149r6b03d970g2fbde74b85ad5443@mail.gmail.com> <20080220185648.6447.KOSAKI.MOTOHIRO@jp.fujitsu.com> <44c63dc40802210138s100e921ekde01b30bae13beb1@mail.gmail.com> Sender: owner-linux-mm@kvack.org Return-Path: To: minchan Kim Cc: KAMEZAWA Hiroyuki , Balbir Singh , Rik van Riel , Lee Schermerhorn , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Hi Kim-san, Thank you very much. btw, what different between and ? > It was a very interesting result. > In embedded system, your patch improve performance a little in case > without noswap(normal case in embedded system). > But, more important thing is OOM occured when I made 240 process > without swap device and vanilla kernel. > Then, I applied your patch, it worked very well without OOM. Wow, it is very interesting result! I am very happy. > I think that's why zone's page_scanned was six times greater than > number of lru pages. > At result, OOM happened. please repost question with change subject. i don't know reason of vanilla kernel behavior, sorry. -- 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