From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422660AbXCGJcc (ORCPT ); Wed, 7 Mar 2007 04:32:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422663AbXCGJcc (ORCPT ); Wed, 7 Mar 2007 04:32:32 -0500 Received: from rgminet01.oracle.com ([148.87.113.118]:55635 "EHLO rgminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422660AbXCGJcb (ORCPT ); Wed, 7 Mar 2007 04:32:31 -0500 Date: Wed, 7 Mar 2007 01:32:08 -0800 From: Bill Irwin To: Ingo Molnar Cc: Nick Piggin , Andrew Morton , Linux Memory Management , Linux Kernel , Benjamin Herrenschmidt Subject: Re: [patch 4/6] mm: merge populate and nopage into fault (fixes nonlinear) Message-ID: <20070307093208.GK18774@holomorphy.com> Mail-Followup-To: Bill Irwin , Ingo Molnar , Nick Piggin , Andrew Morton , Linux Memory Management , Linux Kernel , Benjamin Herrenschmidt References: <20070221023656.6306.246.sendpatchset@linux.site> <20070221023735.6306.83373.sendpatchset@linux.site> <20070306225101.f393632c.akpm@linux-foundation.org> <20070307070853.GB15877@wotan.suse.de> <20070307081948.GA9563@wotan.suse.de> <20070307082755.GA25733@elte.hu> <20070307085944.GA17433@wotan.suse.de> <20070307092252.GA6499@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070307092252.GA6499@elte.hu> User-Agent: Mutt/1.5.11 X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Nick Piggin wrote: >> After these patches, I don't think there is too much burden. The main >> thing left really is just the objrmap stuff, but that is just handled >> with a minimal 'dumb' algorithm that doesn't cost much. On Wed, Mar 07, 2007 at 10:22:52AM +0100, Ingo Molnar wrote: > ok. What do you think about the sys_remap_file_pages_prot() thing that > Paolo has done in a nicely split up form - does that complicate things > in any fundamental way? That is what is useful to UML. Oracle would love it. You don't want to know how far back I've been asked to backport that. -- wli