Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760905AbZJNVdf (ORCPT ); Wed, 14 Oct 2009 17:33:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760782AbZJNVde (ORCPT ); Wed, 14 Oct 2009 17:33:34 -0400 Received: from caffeine.csclub.uwaterloo.ca ([129.97.134.17]:43457 "EHLO caffeine.csclub.uwaterloo.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760774AbZJNVde (ORCPT ); Wed, 14 Oct 2009 17:33:34 -0400 Date: Wed, 14 Oct 2009 17:32:57 -0400 To: Frans Pop Cc: Tvrtko Ursulin , torvalds@linux-foundation.org, jeff.chua.linux@gmail.com, Valdis.Kletnieks@vt.edu, mangoo@wpkg.org, daniel.blueman@gmail.com, bstanoszek@comtime.com, dave@linux.vnet.ibm.com, hugh.dickins@tiscali.co.uk, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, hugh@veritas.com Subject: Re: 2.6.32-rc3: low mem - only 378MB on x86_32 with 64GB. Why? Message-ID: <20091014213257.GA5498@csclub.uwaterloo.ca> References: <200910061106.33718.tvrtko.ursulin@sophos.com> <200910061301.39221.elendil@planet.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200910061301.39221.elendil@planet.nl> User-Agent: Mutt/1.5.18 (2008-05-17) From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1245 Lines: 26 On Tue, Oct 06, 2009 at 01:01:35PM +0200, Frans Pop wrote: > Tvrtko Ursulin wrote: > >> In fact, I wish more people did that, just so that we'd get better > >> coverage of the 32-bit compat code. We occasionally find issues there, > >> although I think it's getting rarer. > > > > Maybe convince some distro to offer this setup as an option at least? I > > always wondered why no one has, or maybe I missed it. > > Debian has a 64-bit kernel for its 32-bit "i386" architecture (and also for > its 64-bit "amd64" architecture obviously): > - for stable: http://packages.debian.org/lenny/linux-image-2.6.26-2-amd64 > - for unstable: http://packages.debian.org/sid/linux-image-2.6.30-2-amd64 I have been running that Debian setup for 5 years now. It's great. Other than 32 bit iptables not liking the 64bit kernel, I can't currently recall any issues at any point. Well and configure scripts often have to be run with the 'linux32' wrapper to make them not try something stupid. -- Len Sorensen -- 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/