Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757347AbXFGHA2 (ORCPT ); Thu, 7 Jun 2007 03:00:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751924AbXFGHAU (ORCPT ); Thu, 7 Jun 2007 03:00:20 -0400 Received: from mailer.gwdg.de ([134.76.10.26]:46623 "EHLO mailer.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751777AbXFGHAR (ORCPT ); Thu, 7 Jun 2007 03:00:17 -0400 Date: Thu, 7 Jun 2007 08:58:40 +0200 (MEST) From: Jan Engelhardt To: Satyam Sharma cc: Lennart Sorensen , Tom Moore , linux-kernel@vger.kernel.org Subject: Re: 4Gb ram not showing up In-Reply-To: Message-ID: References: <46642C60.209@spatial.ca> <20070604191052.GD10008@csclub.uwaterloo.ca> <46646B4C.2070707@spatial.ca> <20070605185721.GW10006@csclub.uwaterloo.ca> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1215 Lines: 36 On Jun 7 2007 02:48, Satyam Sharma wrote: > On 6/6/07, Lennart Sorensen wrote: >> [...] >> A better description would be: >> >> "Select this if you have a 32-bit processor and memory mapped in the 1GB >> to 4GB address range." >> [...] >> That one would be better as: >> >> "Select this if you have a 32-bit processor and ram mapped in the address >> range above 4GB." > > Ugh, no! How can we expect the user compiling a kernel to be *so* > familiar with address space re-mapping / BIOSen (_his_ particular > BIOS, specifically, and what / how it re-maps memory) / etc to be > able to answer such questions? "Select ... if you have ... RAM > installed" is perfectly clear, simple, and all that's needed. Then explain it. "Select this if you have a 32 bit cpu and ram mapped above 4 G. To see where RAM is mapped, interpret the E820 lines from dmesg, for more information see Documentation/e820.txt" or something like that. Jan -- - 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/