From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olaf Hering Subject: Re: [PATCH 4 of 4] xenpaging: initial libxl support Date: Wed, 11 Jan 2012 17:38:03 +0100 Message-ID: <20120111163803.GA30142@aepfle.de> References: <20111107125535.GA16522@aepfle.de> <20111120182951.GA4830@aepfle.de> <20111121151359.GA22981@aepfle.de> <20120109192119.GB10630@aepfle.de> <1326196936.5154.39.camel@elijah> <20120111145821.GA28944@aepfle.de> <20120111161023.GD81891@ocelot.phlegethon.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20120111161023.GD81891@ocelot.phlegethon.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Tim Deegan Cc: George Dunlap , "xen-devel@lists.xensource.com" , George Dunlap , Stefano Stabellini , Ian Campbell List-Id: xen-devel@lists.xenproject.org On Wed, Jan 11, Tim Deegan wrote: > > Isnt that up to the host admin to decide where to take the memory from? > > So if its acceptable to swap parts of a VM (independent from what the > > guest OS thinks it has), so be it. > > Why? The _only_ reason I can imagine for wanting to use paging is when > the balloon driver can't or won't do its job. There's no advantage to > paging except that you can always force it to happen. Isnt that the whole point of paging, to make it happen at will without the guest (or the application at process level) noticing it? Olaf