From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264260AbTLKFuq (ORCPT ); Thu, 11 Dec 2003 00:50:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264353AbTLKFuq (ORCPT ); Thu, 11 Dec 2003 00:50:46 -0500 Received: from holomorphy.com ([199.26.172.102]:29924 "EHLO holomorphy.com") by vger.kernel.org with ESMTP id S264260AbTLKFun (ORCPT ); Thu, 11 Dec 2003 00:50:43 -0500 Date: Wed, 10 Dec 2003 21:50:39 -0800 From: William Lee Irwin III To: Roland Dreier Cc: linux-kernel@vger.kernel.org Subject: Re: PROBLEM: Linux 2.6.0-test11 only lets me use 1GB out of 2GB ram. Message-ID: <20031211055039.GY8039@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Roland Dreier , linux-kernel@vger.kernel.org References: <3FD7FCF5.7030109@cyberone.com.au> <3FD801B3.7080604@wmich.edu> <20031211054111.GX8039@holomorphy.com> <52llpjykf8.fsf@topspin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52llpjykf8.fsf@topspin.com> 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 William> 2:2 splits are at least technically ABI violations, which William> is probably why this isn't merged etc. Applications William> sensitive to it are uncommon. William> Yes, the SVR4 i386 ELF/ABI spec literally mandates William> 0xC0000000 as the top of the process address space. On Wed, Dec 10, 2003 at 09:48:11PM -0800, Roland Dreier wrote: > What about the 4G/4G split stuff for x86 (which is in 2.6 as well as > the RH EL 3 kernel)? It seems that would be just as big a violation > of the ABI... I oversimplified it. It only requires it to be at or above 0xC0000000, so the 4/4 patches are compliant. -- wli