From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933765AbaFJUkV (ORCPT ); Tue, 10 Jun 2014 16:40:21 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:39702 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753429AbaFJUkR (ORCPT ); Tue, 10 Jun 2014 16:40:17 -0400 Date: Tue, 10 Jun 2014 13:44:05 -0700 From: Greg Kroah-Hartman To: David Vrabel Cc: Daniel Kiper , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Konrad Rzeszutek Wilk Subject: Re: [PATCH 3.4 82/88] xen/setup: Populate freed MFNs from non-RAM E820 entries and gaps to E820 RAM Message-ID: <20140610204405.GB21390@kroah.com> References: <20140610002424.500996570@linuxfoundation.org> <20140610002427.192691272@linuxfoundation.org> <5396CACF.6050801@citrix.com> <20140610093011.GL15989@olila.local.net-space.pl> <53970598.6090008@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53970598.6090008@citrix.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 10, 2014 at 02:18:16PM +0100, David Vrabel wrote: > On 10/06/14 10:30, Daniel Kiper wrote: > > On Tue, Jun 10, 2014 at 10:07:27AM +0100, David Vrabel wrote: > >> On 10/06/14 01:25, Greg Kroah-Hartman wrote: > >>> 3.4-stable review patch. If anyone has any objections, please let me know. > >> > >> This is a new feature and not a bug fix. I don't think it (and patches > >> 83-85) are suitable for stable. > > > > IIRC, this is the main patch fixing dom0 memory looses. > > Earlier patches are preparatory stuff and later ones are > > fixing bugs introduced by this patch and others. Konrad and I > > picked only minimal set of patches to fix that issue in 3.4. > > This is not a bug fix. dom0 was previously required to use the balloon > driver to recover memory freed during setup. This was annoying but not > a bug. > > This patches makes significant changes to how much memory dom0 ends up. > Depending on hardware, the dom0_mem option, and the (non)use of the > balloon driver applying this could result is between 1 - 3 GB of > additional memory allocated to dom0. This could result in there being > insufficient host memory available to start a VM. > > Please do not add to 3.4.y. Ok, I'll go drop these now, thanks. greg k-h