Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 21 Dec 2001 16:09:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 21 Dec 2001 16:09:19 -0500 Received: from dsl254-112-233.nyc1.dsl.speakeasy.net ([216.254.112.233]:32919 "EHLO snark.thyrsus.com") by vger.kernel.org with ESMTP id ; Fri, 21 Dec 2001 16:09:07 -0500 Date: Fri, 21 Dec 2001 15:56:11 -0500 From: "Eric S. Raymond" To: David Garfield Cc: Linux Kernel List Subject: Re: Configure.help editorial policy Message-ID: <20011221155611.B12127@thyrsus.com> Reply-To: esr@thyrsus.com Mail-Followup-To: "Eric S. Raymond" , David Garfield , Linux Kernel List In-Reply-To: <20011220143247.A19377@thyrsus.com> <15394.29882.361540.200600@irving.iisd.sra.com> <20011220185226.A25080@thyrsus.com> <15395.33489.779730.767039@irving.iisd.sra.com> <20011221134034.B11147@thyrsus.com> <15395.39479.366221.613466@irving.iisd.sra.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <15395.39479.366221.613466@irving.iisd.sra.com>; from garfield@irving.iisd.sra.com on Fri, Dec 21, 2001 at 03:23:19PM -0500 Organization: Eric Conspiracy Secret Labs X-Eric-Conspiracy: There is no conspiracy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org David Garfield : > Eric S. Raymond writes: > > What, and *encourage* non-uniform terminology? No, I won't do that. > > Better to have a single standard set of abbreviations, no matter how > > ugly, than this. > > Valid argument. I will point out that the current version is > non-uniform. Quoting from Configure.help : > > > > # Choice: himem > > High Memory support > > CONFIG_NOHIGHMEM > > Linux can use up to 64 Gigabytes of physical memory on x86 systems. > > However, the address space of 32-bit x86 processors is only 4 > > Gigabytes large. That means that, if you have a large amount of > > physical memory, not all of it can be "permanently mapped" by the > > kernel. The physical memory that's not permanently mapped is called > > "high memory". > > > > If you are compiling a kernel which will never run on a machine with > > more than 960 megabytes of total physical RAM, answer "off" here > > (default choice and suitable for most users). This will result in a > > "3GiB/1GiB" split: 3GiB are mapped so that each process sees a 3GiB > > virtual memory space and the remaining part of the 4GiB virtual memory > > space is used by the kernel to permanently map as much physical memory > > as possible. > > > > If the machine has between 1 and 4 Gigabytes physical RAM, then > > answer "4GB" here. > > > Note "3GiB/1GiB" and "4GB". Yeah, that's because I can't touch the symbol namespace. Not yet, anyway. -- Eric S. Raymond He that would make his own liberty secure must guard even his enemy from oppression: for if he violates this duty, he establishes a precedent that will reach unto himself. -- Thomas Paine - 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/