From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: real physical e820 table for dom0? Date: Tue, 11 Mar 2014 10:28:32 +0000 Message-ID: <531EE550.70207@citrix.com> References: <20140306184507.GB9852@localhost.localdomain> <20140307135634.GA9026@phenom.dumpdata.com> <20140310162702.GG4262@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WNJvK-0006IB-V6 for xen-devel@lists.xenproject.org; Tue, 11 Mar 2014 10:28:39 +0000 In-Reply-To: <20140310162702.GG4262@phenom.dumpdata.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: Konrad Rzeszutek Wilk Cc: "Zhang, Yang Z" , "xen-devel@lists.xenproject.org" , "'Ian Campbell (Ian.Campbell@citrix.com)'" , "'Jan Beulich (JBeulich@suse.com)'" List-Id: xen-devel@lists.xenproject.org On 10/03/14 16:27, Konrad Rzeszutek Wilk wrote: > On Mon, Mar 10, 2014 at 08:22:48AM +0000, Zhang, Yang Z wrote: >> Konrad Rzeszutek Wilk wrote on 2014-03-07: >>> On Fri, Mar 07, 2014 at 01:29:31AM +0000, Zhang, Yang Z wrote: >>> >>> How do you use the dom0_mem_max= argument? And what version of Xen are >>> you using? >>> >> >> I tried it both in Xen and dom0, no help. But adding "dom0_mem=4096M,max:4096M" to xen cmdline helps. >> I am using the latest Xen upstream. > > Right. That is how it is suppose to work. What did you have before? > dom0_mem=4G? > > That means it will boot with all the memory that Xen sees and balloon down to 4GB. No, it starts with 4 GB and sets the maximum reservation to all of RAM (allowing dom0 to balloon up). David