From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752533Ab1H3HJD (ORCPT ); Tue, 30 Aug 2011 03:09:03 -0400 Received: from mga09.intel.com ([134.134.136.24]:27669 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752464Ab1H3HJB (ORCPT ); Tue, 30 Aug 2011 03:09:01 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,352,1309762800"; d="scan'208";a="43519071" From: Andi Kleen To: Kyle Moffett Cc: Linus Torvalds , Geert Uytterhoeven , "H. Peter Anvin" , LKML , "H.J. Lu" , Ingo Molnar , Thomas Gleixner Subject: Re: RFD: x32 ABI system call numbers References: <4E582577.2060805@zytor.com> <4E582EAA.1040108@zytor.com> <4E584492.5090406@zytor.com> Date: Tue, 30 Aug 2011 00:09:00 -0700 In-Reply-To: (Kyle Moffett's message of "Mon, 29 Aug 2011 22:16:56 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kyle Moffett writes: Old wisdom, as wrong as always. > The only programs which really care are those which map many gigs > of stuff into memory (IE: big databases, etc). You mean anything that mmaps a file? 2-3GB is not a whole lot these days. 2Gb is a very similar thing as Linus y2038, just you're much more likely to hit it. IMHO the only excuse right now for 32bit is to use it in a JIT that can dynamically expand the pointer. Or for old binaries. -Andi -- ak@linux.intel.com -- Speaking for myself only