From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Dingwall Subject: Re: Kernel 3.11 / 3.12 OOM killer and Xen ballooning Date: Tue, 10 Dec 2013 15:16:11 +0000 Message-ID: <52A7303B.8090904@zynstra.com> References: <52A602E5.3080300@zynstra.com> <52A6DBEF020000780010BAC9@nat28.tlf.novell.com> <52A71ED5.5080709@zynstra.com> <52A73283020000780010BE04@nat28.tlf.novell.com> <52A72AA6.6010401@zynstra.com> <52A73A44020000780010BE88@nat28.tlf.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1VqP2t-0007rA-3f for xen-devel@lists.xenproject.org; Tue, 10 Dec 2013 15:16:23 +0000 In-Reply-To: <52A73A44020000780010BE88@nat28.tlf.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich Cc: xen-devel List-Id: xen-devel@lists.xenproject.org Jan Beulich wrote: >>>> On 10.12.13 at 15:52, James Dingwall wrote: >> Sorry, I misunderstood the question. I'm just relying on the built in >> kernel behaviour to balloon up/down as and when memory is required I >> wasn't aware there were multiple ways that this could be achieved. I'm >> not running anything in user space, so does tmem answer the question? > Yes it does. And it means I'll defer to the tmem maintainer (who > I saw already also replied to you). You're aware that as far as > we (xenproject.org) are concerned, tmem is considered > unsupported/experimental. I wasn't aware that it was considered experimental but I shall bear that in mind. Having a look through the git history shows some changes in the tmem and ballooning code which I could try experimenting with. Thanks, James