From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rik van Riel Subject: Re: [PATCH 1/4] mm: introduce compaction and migration for virtio ballooned pages Date: Tue, 26 Jun 2012 09:17:43 -0400 Message-ID: <4FE9B677.8040409@redhat.com> References: <7f83427b3894af7969c67acc0f27ab5aa68b4279.1340665087.git.aquini@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <7f83427b3894af7969c67acc0f27ab5aa68b4279.1340665087.git.aquini@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Rafael Aquini Cc: linux-mm@kvack.org, "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org List-Id: virtualization@lists.linuxfoundation.org On 06/25/2012 07:25 PM, Rafael Aquini wrote: > This patch introduces helper functions that 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 The function fill_balloon in drivers/virtio/virtio_balloon.c should probably add __GFP_MOVABLE to the gfp mask for alloc_pages, to keep the pageblock where balloon pages are allocated marked as movable. -- All rights reversed