Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756642AbXFKSqs (ORCPT ); Mon, 11 Jun 2007 14:46:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753021AbXFKSqk (ORCPT ); Mon, 11 Jun 2007 14:46:40 -0400 Received: from mx1.redhat.com ([66.187.233.31]:58657 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752763AbXFKSqj (ORCPT ); Mon, 11 Jun 2007 14:46:39 -0400 Date: Mon, 11 Jun 2007 14:46:21 -0400 From: Dave Jones To: Jan Engelhardt Cc: "H. Peter Anvin" , Andrew Morton , Andy Whitcroft , Steve Fox , Mel Gorman , linux-kernel@vger.kernel.org Subject: Re: [PATCH] move the kernel to 16MB for NUMA-Q Message-ID: <20070611184621.GA25371@redhat.com> Mail-Followup-To: Dave Jones , Jan Engelhardt , "H. Peter Anvin" , Andrew Morton , Andy Whitcroft , Steve Fox , Mel Gorman , linux-kernel@vger.kernel.org References: <466D550C.4030600@shadowen.org> <63a08cc7547f14065becdf9a94d0d529@pinky> <20070611091558.f468f205.akpm@linux-foundation.org> <20070611172006.GI9174@redhat.com> <466D882D.70001@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.14 (2007-02-12) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 966 Lines: 26 On Mon, Jun 11, 2007 at 08:19:57PM +0200, Jan Engelhardt wrote: > > On Jun 11 2007 10:36, H. Peter Anvin wrote: > > > >Picking the 16 MB base is a bit obnoxious on small-memory machines, 4 MB > >would probably be a more reasonable base. Of course, 16 MB would avoid > > the issue of the handful of machines with memory holes at 15-16 MB. > > How will this work at all with a 5 MB machine? Unless you're running with a bunch of CONFIG_EMBEDDED options enabled, and a seriously pared down (almost to the point of uselessness) userspace, you may have already lost. Do such beasts even exist ? My memories of low-memory x86en I had only allowed power of 2 memory sizes. Dave -- http://www.codemonkey.org.uk - 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/