From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Memory sharing among guest OSs Date: Wed, 28 Nov 2007 17:39:03 +0200 Message-ID: <474D8B97.6090100@qumranet.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Haifeng He Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Haifeng He wrote: > Hi, > > I am pretty new to KVM. I have a question which is if it > is possible (or easy) to share memory(such identical pages) > among guest OSs in KVM? > > In KVM, guest memory is normal userspace memory. So you can use any of the standard Linux shared memory mechanisms to share memory among guests. -- Any sufficiently difficult bug is indistinguishable from a feature. ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4