From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751917AbXCGPUG (ORCPT ); Wed, 7 Mar 2007 10:20:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751913AbXCGPUF (ORCPT ); Wed, 7 Mar 2007 10:20:05 -0500 Received: from saraswathi.solana.com ([198.99.130.12]:56588 "EHLO saraswathi.solana.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751887AbXCGPUD (ORCPT ); Wed, 7 Mar 2007 10:20:03 -0500 Date: Wed, 7 Mar 2007 10:10:40 -0500 From: Jeff Dike To: Peter Zijlstra Cc: Nick Piggin , Miklos Szeredi , akpm@linux-foundation.org, mingo@elte.hu, linux-mm@kvack.org, linux-kernel@vger.kernel.org, benh@kernel.crashing.org Subject: Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear) Message-ID: <20070307151040.GA2440@ccure.user-mode-linux.org> References: <20070307103842.GD5555@wotan.suse.de> <1173264462.6374.140.camel@twins> <20070307110035.GE5555@wotan.suse.de> <1173268086.6374.157.camel@twins> <20070307121730.GC18704@wotan.suse.de> <1173271286.6374.166.camel@twins> <20070307130851.GE18704@wotan.suse.de> <1173273562.6374.175.camel@twins> <20070307133649.GF18704@wotan.suse.de> <1173275532.6374.183.camel@twins> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1173275532.6374.183.camel@twins> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 07, 2007 at 02:52:12PM +0100, Peter Zijlstra wrote: > > Well I don't think UML uses nonlinear yet anyway, does it? Can they > > make do with restricting nonlinear to mlocked vmas, I wonder? Probably > > not. > > I think it does, but lets ask, Jeff? Nope, UML needs to be able to change permissions as well as locations. Would be nice, though, there are apparently nice UML speedups with it. Jeff -- Work email - jdike at linux dot intel dot com