From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752221Ab0CQCGq (ORCPT ); Tue, 16 Mar 2010 22:06:46 -0400 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:55247 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752128Ab0CQCGp (ORCPT ); Tue, 16 Mar 2010 22:06:45 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.3.1 From: KOSAKI Motohiro To: Mel Gorman Subject: Re: [PATCH 03/11] mm: Share the anon_vma ref counts between KSM and page migration Cc: kosaki.motohiro@jp.fujitsu.com, Andrew Morton , Andrea Arcangeli , Christoph Lameter , Adam Litke , Avi Kivity , David Rientjes , Rik van Riel , linux-kernel@vger.kernel.org, linux-mm@kvack.org In-Reply-To: <1268412087-13536-4-git-send-email-mel@csn.ul.ie> References: <1268412087-13536-1-git-send-email-mel@csn.ul.ie> <1268412087-13536-4-git-send-email-mel@csn.ul.ie> Message-Id: <20100317110611.4C91.A69D9226@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.50.07 [ja] Date: Wed, 17 Mar 2010 11:06:41 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > For clarity of review, KSM and page migration have separate refcounts on > the anon_vma. While clear, this is a waste of memory. This patch gets > KSM and page migration to share their toys in a spirit of harmony. > > Signed-off-by: Mel Gorman > Reviewed-by: Minchan Kim Reviewed-by: KOSAKI Motohiro