From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752490AbYAPRo1 (ORCPT ); Wed, 16 Jan 2008 12:44:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751080AbYAPRoT (ORCPT ); Wed, 16 Jan 2008 12:44:19 -0500 Received: from mx1.redhat.com ([66.187.233.31]:52802 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751053AbYAPRoT (ORCPT ); Wed, 16 Jan 2008 12:44:19 -0500 Date: Wed, 16 Jan 2008 12:42:55 -0500 From: Rik van Riel To: Andrea Arcangeli Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kvm-devel@lists.sourceforge.net, Avi Kivity , Izik Eidus , clameter@sgi.com, daniel.blueman@quadrics.com, holt@sgi.com, steiner@sgi.com, Andrew Morton , Hugh Dickins , Nick Piggin , Benjamin Herrenschmidt Subject: Re: [PATCH] mmu notifiers #v2 Message-ID: <20080116124256.44033d48@bree.surriel.com> In-Reply-To: <20080113162418.GE8736@v2.random> References: <20080113162418.GE8736@v2.random> Organization: Red Hat, Inc. X-Mailer: Claws Mail 3.0.2 (GTK+ 2.10.4; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 13 Jan 2008 17:24:18 +0100 Andrea Arcangeli wrote: > In my basic initial patch I only track the tlb flushes which should be > the minimum required to have a nice linux-VM controlled swapping > behavior of the KVM gphysical memory. I have a vaguely related question on KVM swapping. Do page accesses inside KVM guests get propagated to the host OS, so Linux can choose a reasonable page for eviction, or is the pageout of KVM guest pages essentially random? -- All rights reversed.