From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932972Ab2HXDMt (ORCPT ); Thu, 23 Aug 2012 23:12:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51875 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756376Ab2HXDMo (ORCPT ); Thu, 23 Aug 2012 23:12:44 -0400 Message-ID: <5036F111.4040607@redhat.com> Date: Thu, 23 Aug 2012 23:12:17 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120717 Thunderbird/14.0 MIME-Version: 1.0 To: "Michael S. Tsirkin" CC: Rafael Aquini , "Paul E. McKenney" , Peter Zijlstra , linux-mm@kvack.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Rusty Russell , Mel Gorman , Andi Kleen , Andrew Morton , Konrad Rzeszutek Wilk , Minchan Kim Subject: Re: [PATCH v8 1/5] mm: introduce a common interface for balloon pages mobility References: <20120822011930.GA23753@t510.redhat.com> <20120822093317.GC10680@redhat.com> <20120823021903.GA23660@x61.redhat.com> <20120823100107.GA17409@redhat.com> <20120823121338.GA3062@t510.redhat.com> <20120823123432.GA25659@redhat.com> <20120823130606.GB3746@t510.redhat.com> <20120823135328.GB25709@redhat.com> <20120823162504.GA1522@redhat.com> <20120823172844.GC10777@t510.redhat.com> <20120823233616.GB2775@redhat.com> In-Reply-To: <20120823233616.GB2775@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/23/2012 07:36 PM, Michael S. Tsirkin wrote: > ---> > > virtio-balloon: replace page->lru list with page->private. > > The point is to free up page->lru for use by compaction. > Warning: completely untested, will provide tested version > if we agree on this direction. A singly linked list is not going to work for page migration, which needs to get pages that might be in the middle of the balloon list. -- All rights reversed