From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 533AA6B0083 for ; Thu, 21 Jan 2010 19:16:55 -0500 (EST) Received: from m3.gw.fujitsu.co.jp ([10.0.50.73]) by fgwmail7.fujitsu.co.jp (Fujitsu Gateway) with ESMTP id o0M0GrR5012712 for (envelope-from kosaki.motohiro@jp.fujitsu.com); Fri, 22 Jan 2010 09:16:53 +0900 Received: from smail (m3 [127.0.0.1]) by outgoing.m3.gw.fujitsu.co.jp (Postfix) with ESMTP id 00B2545DE50 for ; Fri, 22 Jan 2010 09:16:53 +0900 (JST) Received: from s3.gw.fujitsu.co.jp (s3.gw.fujitsu.co.jp [10.0.50.93]) by m3.gw.fujitsu.co.jp (Postfix) with ESMTP id C6ECA45DE4F for ; Fri, 22 Jan 2010 09:16:52 +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 AF9731DB8044 for ; Fri, 22 Jan 2010 09:16:52 +0900 (JST) Received: from m107.s.css.fujitsu.com (m107.s.css.fujitsu.com [10.249.87.107]) by s3.gw.fujitsu.co.jp (Postfix) with ESMTP id 5E56C1DB8040 for ; Fri, 22 Jan 2010 09:16:52 +0900 (JST) From: KOSAKI Motohiro Subject: Re: [RFC-PATCH 0/7] Memory Compaction v1 In-Reply-To: <20100121101112.GH5154@csn.ul.ie> References: <20100121115636.73BA.A69D9226@jp.fujitsu.com> <20100121101112.GH5154@csn.ul.ie> Message-Id: <20100122091504.6BF7.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Date: Fri, 22 Jan 2010 09:16:51 +0900 (JST) Sender: owner-linux-mm@kvack.org To: Mel Gorman Cc: kosaki.motohiro@jp.fujitsu.com, Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: > > > Comments? > > > > I think "Total pages reclaimed" increasing is not good thing ;) > > First, I made a mistake in the patch. With the bug fixed, they're > reduced. See the post later in the thread > http://lkml.org/lkml/2010/1/6/215 Oh, I see. I'm glad the issue was alredy fixed. > > Honestly, I haven't understand why your patch increase reclaimed and > > the exactly meaning of the your tool's rclm field. > > > > Can you share your mesurement script? May I run the same test? > > Unfortunately at the moment it's part of a mini-testgrid setup I run out > of the house. It doesn't lend itself to being stand-alone. I'll break it > out as part of the next release. surely good news :) > > I like this patch, but I don't like increasing reclaim. I'd like to know > > this patch require any vmscan change and/or its change mitigate the issue. > > > > With the bug repaired, reclaims go from 105132 to 45935 with more huge > pages allocated so right now, no special action is required. ok. 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