From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx191.postini.com [74.125.245.191]) by kanga.kvack.org (Postfix) with SMTP id 8C1716B002B for ; Sun, 12 Aug 2012 19:12:27 -0400 (EDT) Date: Mon, 13 Aug 2012 08:14:20 +0900 From: Minchan Kim Subject: Re: [PATCH v7 1/4] mm: introduce compaction and migration for virtio ballooned pages Message-ID: <20120812231420.GH21033@bbox> References: <292b1b52e863a05b299f94bda69a61371011ac19.1344619987.git.aquini@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <292b1b52e863a05b299f94bda69a61371011ac19.1344619987.git.aquini@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Rafael Aquini Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Rusty Russell , "Michael S. Tsirkin" , Rik van Riel , Mel Gorman , Andi Kleen , Andrew Morton , Konrad Rzeszutek Wilk On Fri, Aug 10, 2012 at 02:55:14PM -0300, 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: Minchan Kim -- Kind regards, Minchan Kim -- 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