Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761495AbZDAPgT (ORCPT ); Wed, 1 Apr 2009 11:36:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753984AbZDAPgG (ORCPT ); Wed, 1 Apr 2009 11:36:06 -0400 Received: from mx2.redhat.com ([66.187.237.31]:50305 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752316AbZDAPgF (ORCPT ); Wed, 1 Apr 2009 11:36:05 -0400 Message-ID: <49D38967.8020706@redhat.com> Date: Wed, 01 Apr 2009 11:33:59 -0400 From: Rik van Riel Organization: Red Hat, Inc User-Agent: Thunderbird 2.0.0.17 (X11/20080915) MIME-Version: 1.0 To: Martin Schwidefsky CC: linux-mm@kvack.org, linux-kernel@vger.kernel.org, virtualization@lists.osdl.org, frankeh@watson.ibm.com, akpm@osdl.org, nickpiggin@yahoo.com.au, hugh@veritas.com Subject: Re: [patch 5/6] Guest page hinting: minor fault optimization. References: <20090327150905.819861420@de.ibm.com> <20090327151012.713478499@de.ibm.com> In-Reply-To: <20090327151012.713478499@de.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 786 Lines: 21 Martin Schwidefsky wrote: > From: Martin Schwidefsky > From: Hubertus Franke > From: Himanshu Raj > > On of the challenges of the guest page hinting scheme is the cost for > the state transitions. If the cost gets too high the whole concept of > page state information is in question. Therefore it is important to > avoid the state transitions when possible. > Signed-off-by: Martin Schwidefsky Acked-by: Rik van Riel -- All rights reversed. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/