From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: xen: memory initialization/balloon fixes (#3) Date: Thu, 22 Sep 2011 14:08:49 +0100 Message-ID: <4E7B3361.6020604@citrix.com> References: <1316089768-22461-1-git-send-email-david.vrabel@citrix.com> <20110921171103.GA2768@phenom.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110921171103.GA2768@phenom.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Konrad Rzeszutek Wilk Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org On 21/09/11 18:11, Konrad Rzeszutek Wilk wrote: > On Thu, Sep 15, 2011 at 01:29:21PM +0100, David Vrabel wrote: >> >> Patch 7 releases all pages in the initial allocation with PFNs that >> lie within a 1-1 mapping. This seems correct to me as I think that > > The only thing I remember about this was with dmidecode doing something > fishy.. (As in, it wouldn't work when the pages under 1MB were released) > (But I can't remember the details about it, so I might be completly > wrong). > > Could you please test that as well? dmidecode works on the two test boxes I had to hand. >> once the 1-1 mapping is set the MFN of the original page is lost so >> it's no longer accessible by the kernel (and it cannot be used by >> another domain David