From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932153AbWGCWRT (ORCPT ); Mon, 3 Jul 2006 18:17:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932154AbWGCWRS (ORCPT ); Mon, 3 Jul 2006 18:17:18 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:49072 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S932153AbWGCWRS (ORCPT ); Mon, 3 Jul 2006 18:17:18 -0400 Date: Mon, 3 Jul 2006 23:17:12 +0100 From: Christoph Hellwig To: Christoph Lameter Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, Hugh Dickins , Con Kolivas , Marcelo Tosatti , Nick Piggin , Andi Kleen Subject: Re: [RFC 0/8] Reduce MAX_NR_ZONES and remove useless zones. Message-ID: <20060703221712.GB14273@infradead.org> Mail-Followup-To: Christoph Hellwig , Christoph Lameter , linux-kernel@vger.kernel.org, akpm@osdl.org, Hugh Dickins , Con Kolivas , Marcelo Tosatti , Nick Piggin , Andi Kleen References: <20060703215534.7566.8168.sendpatchset@schroedinger.engr.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060703215534.7566.8168.sendpatchset@schroedinger.engr.sgi.com> User-Agent: Mutt/1.4.2.1i X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 03, 2006 at 02:55:34PM -0700, Christoph Lameter wrote: > I keep seeing zones on various platforms that are never used and wonder > why we compile support for them into the kernel. > > IA64 on SGI for example only uses ZONE_DMA other IA64 platforms can > also use ZONE_NORMAL. Which btw is utterly wrong. It should have a 4GB ZONE_DMA32 and everything else in ZONE_NORMAL. That doesn't mean I want to discourage this patchset, quite contrary. But please fix this oddity aswell.