Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266131AbUFUG4w (ORCPT ); Mon, 21 Jun 2004 02:56:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266132AbUFUG4v (ORCPT ); Mon, 21 Jun 2004 02:56:51 -0400 Received: from webhosting.rdsbv.ro ([213.157.185.164]:58511 "EHLO hosting.rdsbv.ro") by vger.kernel.org with ESMTP id S266131AbUFUG4l (ORCPT ); Mon, 21 Jun 2004 02:56:41 -0400 Date: Mon, 21 Jun 2004 09:56:31 +0300 (EEST) From: Catalin BOIE X-X-Sender: util@hosting.rdsbv.ro To: Mikael Pettersson cc: linux-kernel@vger.kernel.org Subject: Re: Another mtrr - BIOS-e820 mismatch In-Reply-To: <200406191349.i5JDnY5n029533@harpo.it.uu.se> Message-ID: References: <200406191349.i5JDnY5n029533@harpo.it.uu.se> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1510 Lines: 35 >> It's a Intel MB, with 2 Pentium 4, with HT, 2GB RAM. >> (Sorry I could not get more info.) >> >> reg00: base=0x00000000 ( 0MB), size=2048MB: write-back, count=1 >> reg01: base=0x7ff80000 (2047MB), size= 512KB: uncachable, count=1 >> >> BIOS-provided physical RAM map: >> BIOS-e820: 0000000000000000 - 000000000009b400 (usable) >> BIOS-e820: 000000000009b400 - 00000000000a0000 (reserved) >> BIOS-e820: 00000000000cc000 - 00000000000d0000 (reserved) >> BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) >> BIOS-e820: 0000000000100000 - 000000007ff70000 (usable) >> BIOS-e820: 000000007ff70000 - 000000007ff7b000 (ACPI data) >> BIOS-e820: 000000007ff7b000 - 000000007ff80000 (ACPI NVS) >> BIOS-e820: 000000007ff80000 - 0000000080000000 (reserved) >> BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) >> BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) >> BIOS-e820: 00000000ff800000 - 00000000ffc00000 (reserved) >> BIOS-e820: 00000000fff00000 - 0000000100000000 (reserved) > > Not a problem. All "usable" memory is cacheable, which > is what matters for performance. You did lose some RAM > in the e820 map, but that's a relatively minor issue. Thanks. --- Catalin(ux aka Dino) BOIE catab at deuroconsult.ro http://kernel.umbrella.ro/ - 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/