Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423526AbXEANtb (ORCPT ); Tue, 1 May 2007 09:49:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1423533AbXEANtb (ORCPT ); Tue, 1 May 2007 09:49:31 -0400 Received: from rtr.ca ([64.26.128.89]:3644 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423526AbXEANta (ORCPT ); Tue, 1 May 2007 09:49:30 -0400 Message-ID: <46374566.90003@rtr.ca> Date: Tue, 01 May 2007 09:49:26 -0400 From: Mark Lord User-Agent: Thunderbird 2.0.0.0 (X11/20070326) MIME-Version: 1.0 To: Bill Irwin , Andi Kleen , Eric Dumazet , ebiederm@xmission.com, patches@x86-64.org, linux-kernel@vger.kernel.org, Jens Axboe Subject: Re: [PATCH] [30/30] x86_64: Add missing !X86_PAE dependincy to the 2G/2G split. References: <20070501557.815359000@suse.de> <20070501035829.1C93D13CAF@wotan.suse.de> <4636C16F.204@cosmosbay.com> <20070501062132.GQ25929@bingen.suse.de> <20070501130132.GL26598@holomorphy.com> In-Reply-To: <20070501130132.GL26598@holomorphy.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1535 Lines: 45 Bill Irwin wrote: > > I don't mind so long as we're not letting doorstop configs through. I'd > probably do something more like > > Index: sched/arch/i386/Kconfig > =================================================================== > --- sched.orig/arch/i386/Kconfig 2007-05-01 04:35:47.065162310 -0700 > +++ sched/arch/i386/Kconfig 2007-05-01 04:36:50.100754504 -0700 > @@ -571,6 +571,9 @@ > bool "3G/1G user/kernel split (for full 1G low memory)" > config VMSPLIT_2G > bool "2G/2G user/kernel split" > + config VMSPLIT_2G_OPT > + depends on !HIGHMEM > + bool "2G/2G user/kernel split (for full 2G low memory)" > config VMSPLIT_1G > bool "1G/3G user/kernel split" > endchoice > @@ -578,7 +581,8 @@ > config PAGE_OFFSET > hex > default 0xB0000000 if VMSPLIT_3G_OPT > - default 0x78000000 if VMSPLIT_2G > + default 0x80000000 if VMSPLIT_2G > + default 0x78000000 if VMSPLIT_2G_OPT > default 0x40000000 if VMSPLIT_1G > default 0xC0000000 > > as a stopgap measure, but I'm not all that interested in grabbing patch .. Yup, I second that one. The idea of the original 2G split was to avoid the need for HIGHMEM entirely, reducing overhead on slower machines. Having both kinds of splits is fine, but probably just the original one with the !PAE is okay too. -ml - 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/