From mboxrd@z Thu Jan 1 00:00:00 1970 From: Izik Eidus Subject: Re: More queries on guest swapping in KVM Date: Thu, 01 May 2008 09:51:12 +0300 Message-ID: <48196860.2070100@qumranet.com> References: <896ae46a0804301452n748d068foc4e7e53dee83a4f6@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net To: Arn Return-path: In-Reply-To: <896ae46a0804301452n748d068foc4e7e53dee83a4f6@mail.gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org Arn wrote: > Hi , > > Regarding the guest swapping mechanism (host ability to swap out guest > pages), > > 1) Can the host swap out any page of a guest VM ? (including the > guest's kernel pages) right now kvm can swap any pages but pages that are mapped in it mmu cache. (it doesnt matther if it kernel page or not)] with mmu notifiers witch probably be marged to 2.6.26 we will be able to swap the entire pages of the guest. > > 2) Does the guest know its page has been swapped out or is this > transparent to the guest ? ( I think the guest > wouldn't know but I just want to be sure) it doesnt know. > > 3) Is there any way the guest can prevent the host from swapping out > its pages ? not without writing new code. > > thanks > Arn > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > ------------------------------------------------------------------------ > > _______________________________________________ > kvm-devel mailing list > kvm-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/kvm-devel > ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone