From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932267AbWGDQXt (ORCPT ); Tue, 4 Jul 2006 12:23:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932269AbWGDQXt (ORCPT ); Tue, 4 Jul 2006 12:23:49 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:24470 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S932267AbWGDQXs (ORCPT ); Tue, 4 Jul 2006 12:23:48 -0400 Subject: Re: [RFC 0/8] Reduce MAX_NR_ZONES and remove useless zones. From: Arjan van de Ven To: Christoph Lameter Cc: Andi Kleen , Christoph Hellwig , linux-kernel@vger.kernel.org, akpm@osdl.org, Hugh Dickins , Con Kolivas , Marcelo Tosatti , Nick Piggin In-Reply-To: References: <20060703215534.7566.8168.sendpatchset@schroedinger.engr.sgi.com> <20060704120242.GA3386@infradead.org> <200607041723.46604.ak@suse.de> Content-Type: text/plain Date: Tue, 04 Jul 2006 18:23:40 +0200 Message-Id: <1152030220.3109.73.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit 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 Tue, 2006-07-04 at 09:16 -0700, Christoph Lameter wrote: > On Tue, 4 Jul 2006, Andi Kleen wrote: > > > The 900MB refered to the boundary between NORMAL and HIGHMEM on i386. > > Yikes. So any system with 1MB 1G, but yes. > will need to have highmem? I guess the 2G/2G > config option changes that? but that breaks userspace ABI and things that really want a lot of memory ;) Thankfully x86-64 is there, and just about all systems sold today do 64 bit.. (and highmem is not that bad.. you make it sound as if it's a dirty word. It's not pretty but it's not THAT evil either)