From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Fitzhardinge Subject: Re: compiling a non-pae dom0 on a dell r710 with too much ram Date: Thu, 06 May 2010 16:35:32 -0700 Message-ID: <4BE35244.5050602@goop.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Mike Sun Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 05/06/2010 04:00 PM, Mike Sun wrote: > I've got a brand spankin new dell r710 with loads of memory on it, > except that I really want it to behave more like an older machine with > only 4G of RAM. I've been trying to compile a dom0 without PAE for it > and can't seem to have much success. I've constantly modified the > kernel config to turn off PAE and it either gets clobbered when I do a > make build-linux-2.6.18 or something. Any ideas? > Xen doesn't support non-PAE 32 bit PV operation. If you want to limit memory, boot with dom0_mem=4G, and turn off HIGHMEM. J