Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967412AbXFHCmS (ORCPT ); Thu, 7 Jun 2007 22:42:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966607AbXFHCmJ (ORCPT ); Thu, 7 Jun 2007 22:42:09 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:45790 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966155AbXFHCmI (ORCPT ); Thu, 7 Jun 2007 22:42:08 -0400 Date: Thu, 7 Jun 2007 19:41:56 -0700 From: Andrew Morton To: William Lee Irwin III Cc: linux-kernel@vger.kernel.org, Mark Lord , Andi Kleen Subject: Re: divorce CONFIG_X86_PAE from CONFIG_HIGHMEM64G Message-Id: <20070607194156.d4aacf4c.akpm@linux-foundation.org> In-Reply-To: <20070608023551.GJ15426@holomorphy.com> References: <20070608023551.GJ15426@holomorphy.com> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 834 Lines: 16 On Thu, 7 Jun 2007 19:35:51 -0700 William Lee Irwin III wrote: > PAE is useful for more than supporting more than 4GB RAM. It supports > expanded swapspace and NX executable protections. Some users may want > NX or expanded swapspace support without the overhead or instability > of highmem. For these reasons, the following patch divorces > CONFIG_X86_PAE from CONFIG_HIGHMEM64G. Do (CONFIG_X86_PAE && !CONFIG_HIGHMEM64G) and (!CONFIG_X86_PAE && CONFIG_HIGHMEM64G) kernels actually work? I wouldn't be surprised if there are places where we used the incorrect one. - 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/