Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262520AbVDMHor (ORCPT ); Wed, 13 Apr 2005 03:44:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262538AbVDMHor (ORCPT ); Wed, 13 Apr 2005 03:44:47 -0400 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:26383 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S262520AbVDMHoc (ORCPT ); Wed, 13 Apr 2005 03:44:32 -0400 Date: Wed, 13 Apr 2005 08:44:27 +0100 From: Russell King To: Coywolf Qi Hunt Cc: "akpm@osdl.org" , torvalds@osdl.org, linux-kernel@vger.kernel.org Subject: Re: [patch 006/198] arm: add comment about max_low_pfn/max_pfn Message-ID: <20050413084427.A1798@flint.arm.linux.org.uk> Mail-Followup-To: Coywolf Qi Hunt , "akpm@osdl.org" , torvalds@osdl.org, linux-kernel@vger.kernel.org References: <200504121030.j3CAUie5005135@shell0.pdx.osdl.net> <2cd57c900504122010430af248@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <2cd57c900504122010430af248@mail.gmail.com>; from coywolf@gmail.com on Wed, Apr 13, 2005 at 11:10:35AM +0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 730 Lines: 19 On Wed, Apr 13, 2005 at 11:10:35AM +0800, Coywolf Qi Hunt wrote: > I told rmk about this long time ago. The kernel is a mess of DMA masks and maximum PFNs which all assume that memory always starts at zero, which I've mentioned before as well. I might see about fixing this up properly when it causes real problems, but until then its better to document the behaviour. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - 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/