Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262279AbVBVMIx (ORCPT ); Tue, 22 Feb 2005 07:08:53 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262280AbVBVMIw (ORCPT ); Tue, 22 Feb 2005 07:08:52 -0500 Received: from one.firstfloor.org ([213.235.205.2]:28563 "EHLO one.firstfloor.org") by vger.kernel.org with ESMTP id S262277AbVBVMIn (ORCPT ); Tue, 22 Feb 2005 07:08:43 -0500 To: Andrew Morton Cc: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [patch -mm series] ia64 specific /dev/mem handlers References: <16923.193.128608.607599@jaguar.mkp.net> <20050222020309.4289504c.akpm@osdl.org> From: Andi Kleen Date: Tue, 22 Feb 2005 13:08:41 +0100 In-Reply-To: <20050222020309.4289504c.akpm@osdl.org> (Andrew Morton's message of "Tue, 22 Feb 2005 02:03:09 -0800") Message-ID: User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 638 Lines: 17 Andrew Morton writes: > > Is it possible to avoid consuming a page flag? > > If this is an ia64-only (or 64-bit-only) thing I guess we could use bit 32. It's not. i386 essentially has the same problem. Other architectures likely too. We definitely need a generic solution, especially when we're going to support PAT on i386/x86-64 better (which I hope will happen soon) -Andi - 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/