Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752703Ab2HIBiZ (ORCPT ); Wed, 8 Aug 2012 21:38:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:61907 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751236Ab2HIBiY (ORCPT ); Wed, 8 Aug 2012 21:38:24 -0400 Message-ID: <50231467.80603@redhat.com> Date: Wed, 08 Aug 2012 21:37:43 -0400 From: Rik van Riel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Rafael Aquini CC: linux-mm@kvack.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Rusty Russell , "Michael S. Tsirkin" , Mel Gorman , Andi Kleen , Andrew Morton , Konrad Rzeszutek Wilk , Minchan Kim Subject: Re: [PATCH v6 1/3] mm: introduce compaction and migration for virtio ballooned pages References: In-Reply-To: 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 Content-Length: 961 Lines: 22 On 08/08/2012 06:53 PM, Rafael Aquini wrote: > Memory fragmentation introduced by ballooning might reduce significantly > the number of 2MB contiguous memory blocks that can be used within a guest, > thus imposing performance penalties associated with the reduced number of > transparent huge pages that could be used by the guest workload. > > This patch introduces the helper functions as well as the necessary changes > to teach compaction and migration bits how to cope with pages which are > part of a guest memory balloon, in order to make them movable by memory > compaction procedures. > > Signed-off-by: Rafael Aquini Reviewed-by: Rik van Riel -- All rights reversed -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/