Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 3 Mar 2003 11:29:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 3 Mar 2003 11:29:04 -0500 Received: from 195-219-31-160.sp-static.linix.net ([195.219.31.160]:51329 "EHLO r2d2.office") by vger.kernel.org with ESMTP id ; Mon, 3 Mar 2003 11:29:03 -0500 Message-ID: <3E638522.3080008@walrond.org> Date: Mon, 03 Mar 2003 16:38:58 +0000 From: Andrew Walrond User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20021020 X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Re: Dmesg: Use a PAE enabled kernel Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1162 Lines: 32 The dump looks like this: BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 00000000bfffa000 (usable) BIOS-e820: 00000000bfffa000 - 00000000bffff000 (ACPI data) BIOS-e820: 00000000bffff000 - 00000000c0000000 (ACPI NVS) BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved) BIOS-e820: 0000000100000000 - 0000000140000000 (usable) Warning only 4GB will be used. Use a PAE enabled kernel. 3200MB HIGHMEM available. 896MB LOWMEM available. So you are saying that not all the 4Gb of ram will get mapped/used (specifically, everything not marked 'usable') ? Can you quantify the performance degredation of a PAE enabled kernel? Andrew Walrond - 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/