Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 16 Mar 2002 13:36:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 16 Mar 2002 13:36:05 -0500 Received: from hq.fsmlabs.com ([209.155.42.197]:18441 "EHLO hq.fsmlabs.com") by vger.kernel.org with ESMTP id ; Sat, 16 Mar 2002 13:35:58 -0500 Date: Sat, 16 Mar 2002 11:35:36 -0700 From: yodaiken@fsmlabs.com To: Linus Torvalds Cc: Paul Mackerras , linux-kernel@vger.kernel.org Subject: Re: [Lse-tech] Re: 10.31 second kernel compile Message-ID: <20020316113536.A19495@hq.fsmlabs.com> In-Reply-To: <15507.12988.581489.554212@argo.ozlabs.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: ; from torvalds@transmeta.com on Sat, Mar 16, 2002 at 10:06:06AM -0800 Organization: FSM Labs Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Mar 16, 2002 at 10:06:06AM -0800, Linus Torvalds wrote: > We'll end up (probably five years from now) re-doing the thing to allow > four levels (so a tired old x86 would fold _two_ levels instead of just > one, but I bet they'll still be the majority), simply because with three > levels you reasonably reach only about 41 bits of VM space. Why so few bits per level? Don't you want bigger pages or page clusters? -- --------------------------------------------------------- Victor Yodaiken Finite State Machine Labs: The RTLinux Company. www.fsmlabs.com www.rtlinux.com - 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/