From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 22 May 2002 11:57:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 22 May 2002 11:57:10 -0400 Received: from mail3.aracnet.com ([216.99.193.38]:11703 "EHLO mail3.aracnet.com") by vger.kernel.org with ESMTP id ; Wed, 22 May 2002 11:57:09 -0400 Date: Wed, 22 May 2002 08:56:28 -0700 From: "Martin J. Bligh" Reply-To: "Martin J. Bligh" To: Alan Cox , bert hubert cc: "M. Edward Borasky" , linux-kernel@vger.kernel.org Subject: Re: Have the 2.4 kernel memory management problems on large machines been fixed? Message-ID: <1404136612.1022057787@[10.10.2.3]> In-Reply-To: X-Mailer: Mulberry/2.1.2 (Win32) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > 7.3 has some of what is needed but not all. Can you outline the changes in this area? I want to make sure we're not all fighting the same problems seperately ;-) I know bounce buffers is one large element of that, though I believe you still only go up to 4Gb, unless I'm mistaken? > To go past 16Gb you need highmem mapped page tables which I'm > pretty sure did not make it in. You need it earlier than that if you have many large tasks (4Gb or so). M.