Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265440AbTGCWHp (ORCPT ); Thu, 3 Jul 2003 18:07:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265444AbTGCWHp (ORCPT ); Thu, 3 Jul 2003 18:07:45 -0400 Received: from holomorphy.com ([66.224.33.161]:58307 "EHLO holomorphy") by vger.kernel.org with ESMTP id S265440AbTGCWHK (ORCPT ); Thu, 3 Jul 2003 18:07:10 -0400 Date: Thu, 3 Jul 2003 15:21:13 -0700 From: William Lee Irwin III To: Andrea Arcangeli Cc: Jamie Lokier , "Martin J. Bligh" , Mel Gorman , Linux Memory Management List , Linux Kernel Mailing List Subject: Re: What to expect with the 2.6 VM Message-ID: <20030703222113.GS26348@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Andrea Arcangeli , Jamie Lokier , "Martin J. Bligh" , Mel Gorman , Linux Memory Management List , Linux Kernel Mailing List References: <20030702222641.GU23578@dualathlon.random> <20030702231122.GI26348@holomorphy.com> <20030702233014.GW23578@dualathlon.random> <20030702235540.GK26348@holomorphy.com> <20030703113144.GY23578@dualathlon.random> <20030703114626.GP26348@holomorphy.com> <20030703125839.GZ23578@dualathlon.random> <20030703184825.GA17090@mail.jlokier.co.uk> <20030703185431.GQ26348@holomorphy.com> <20030703193328.GN23578@dualathlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030703193328.GN23578@dualathlon.random> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 954 Lines: 21 On Thu, Jul 03, 2003 at 11:54:31AM -0700, William Lee Irwin III wrote: >> I call that application #2. On Thu, Jul 03, 2003 at 09:33:28PM +0200, Andrea Arcangeli wrote: > maybe I'm missing something but protections have nothing to do with > remap_file_pages IMHO. That's all about teaching the swap code to > reserve more bits in the swap entry and to store the protections there > and possibly teaching the page fault not to get confused. It might > prefer to use the populate callback too to avoid specializing the > pte_none case, but I think the syscall should be different, and it > shouldn't have anything to do with the nonlinearity (nor with rmap). It's obvious what to do about protections. -- wli - 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/