From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 4 Aug 2002 14:04:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 4 Aug 2002 14:04:48 -0400 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:1799 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id ; Sun, 4 Aug 2002 14:04:47 -0400 Date: Sun, 4 Aug 2002 19:08:19 +0100 From: Russell King To: Pete Zaitcev Cc: linux-kernel@vger.kernel.org Subject: Re: Small problem with pmd_page in 2.5 Message-ID: <20020804190819.B2995@flint.arm.linux.org.uk> References: <20020804125730.A1113@devserv.devel.redhat.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: <20020804125730.A1113@devserv.devel.redhat.com>; from zaitcev@redhat.com on Sun, Aug 04, 2002 at 12:57:30PM -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Aug 04, 2002 at 12:57:30PM -0400, Pete Zaitcev wrote: > I was looking a little bit at sparc(32) and ran into a difficulty > with pmd_page. The 2.5 version returns struct page*, presumably > to support page tables in highmem. Unfortunately, sparc (sun4m > actually) cannot do that, because its page tables are smaller > than memory pages. Same problem as ARM. For a description of how we fixed it, please see: http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2002-March/008089.html -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html