From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m4.gw.fujitsu.co.jp ([10.0.50.74]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id m9G87kCl028009 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Thu, 16 Oct 2008 17:07:47 +0900 Received: from smail (m4 [127.0.0.1]) by outgoing.m4.gw.fujitsu.co.jp (Postfix) with ESMTP id B899D2AC026 for ; Thu, 16 Oct 2008 17:07:46 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m4.gw.fujitsu.co.jp (Postfix) with ESMTP id 8C37512C044 for ; Thu, 16 Oct 2008 17:07:46 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (localhost.localdomain [127.0.0.1]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 5BCEF1DB803B for ; Thu, 16 Oct 2008 17:07:46 +0900 (JST) Received: from ml11.s.css.fujitsu.com (ml11.s.css.fujitsu.com [10.249.87.101]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 12AFB1DB803E for ; Thu, 16 Oct 2008 17:07:46 +0900 (JST) From: KOSAKI Motohiro Subject: Re: mm-more-likely-reclaim-madv_sequential-mappings.patch In-Reply-To: <20081016153750.4E22.KOSAKI.MOTOHIRO@jp.fujitsu.com> References: <20081015233126.27885bb9.akpm@linux-foundation.org> <20081016153750.4E22.KOSAKI.MOTOHIRO@jp.fujitsu.com> Message-Id: <20081016170400.4E27.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Thu, 16 Oct 2008 17:07:45 +0900 (JST) Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: kosaki.motohiro@jp.fujitsu.com, linux-mm@kvack.org, Johannes Weiner List-ID: > > > mmotm mode, > > > > > > 1, shrink_inactive_list() free copy's page. > > > 2. end! > > > > OK. But my concern is that perhaps the above latency improvement was > > caused by one of the many other MM patches in mmotm. > > > > Reverting mm-more-likely-reclaim-madv_sequential-mappings.patch from > > mmotm and rerunning the tests would be the way to determine this. > > (hint :) - thanks). > > fair enough. > OK, please wait half hour. I mesured 2.6.27+sequential-patch. (NEW) 2.6.27 2.6.27+patch mmotm-1010 ============================================================== mm_sync_madv_cp 6:14 6:03 6:02 (min:sec) dbench throughput 12.1507 13.915 14.6273 (MB/s) dbench latency 33046 22062 21779 (ms) Hm, I think other patches influence isn't so much. Thanks. -- 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