Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030246AbVJ1Qki (ORCPT ); Fri, 28 Oct 2005 12:40:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030247AbVJ1Qki (ORCPT ); Fri, 28 Oct 2005 12:40:38 -0400 Received: from smtp06.wanadoo.nl ([194.134.35.146]:25643 "EHLO smtp06.wanadoo.nl") by vger.kernel.org with ESMTP id S1030246AbVJ1Qkh (ORCPT ); Fri, 28 Oct 2005 12:40:37 -0400 Message-ID: <43625484.30100@lazarenko.net> Date: Fri, 28 Oct 2005 18:40:36 +0200 From: Vladimir Lazarenko User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923) X-Accept-Language: en-us, en MIME-Version: 1.0 To: thockin@hockin.org Cc: "Eric W. Biederman" , linux-kernel@vger.kernel.org Subject: Re: AMD Athlon64 X2 Dual-core and 4GB References: <4361408B.60903@lazarenko.net> <20051028160403.GA26286@hockin.org> In-Reply-To: <20051028160403.GA26286@hockin.org> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms040101060201050102080309" X-Spam-Score: 0.1 (/) X-Spam-Report: Spam detection software, running on the system "dinosaur.lazarenko.net", has identified this incoming email as possible spam. The original message has been attached to this so you can view it (if it isn't spam) or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: >>>Thus, the question - would I be able to use whole 4G RAM with dual-core amd and >>>kernel with SMP compiled for i686? > > > Why would you use a dual core AMD in 32 bit mode? Just build an x86_64 > kernel. > > If you want to use 4GB in 32 bit mode, you *need* remapping (or you lose > part of your memory). Remapping means you have MORE than 4 GB of physical > address, which means you need PAE to use it at all. [...] Content analysis details: (0.1 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 0.1 AWL AWL: From: address is in the auto white-list Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5909 Lines: 98 This is a cryptographically signed message in MIME format. --------------ms040101060201050102080309 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit >>>Thus, the question - would I be able to use whole 4G RAM with dual-core amd and >>>kernel with SMP compiled for i686? > > > Why would you use a dual core AMD in 32 bit mode? Just build an x86_64 > kernel. > > If you want to use 4GB in 32 bit mode, you *need* remapping (or you lose > part of your memory). Remapping means you have MORE than 4 GB of physical > address, which means you need PAE to use it at all. Because I find my distribution's 64-bit release reasonably unstable yet? :) Or can I somehow build an x86_64 kernel and keep using 32-bit libc? --------------ms040101060201050102080309 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJ2zCC Az8wggKooAMCAQICAQ0wDQYJKoZIhvcNAQEFBQAwgdExCzAJBgNVBAYTAlpBMRUwEwYDVQQI EwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgGA1UEChMRVGhhd3RlIENv bnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2VydmljZXMgRGl2aXNpb24xJDAi BgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkGCSqGSIb3DQEJARYccGVy c29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMzA3MTcwMDAwMDBaFw0xMzA3MTYyMzU5 NTlaMGIxCzAJBgNVBAYTAlpBMSUwIwYDVQQKExxUaGF3dGUgQ29uc3VsdGluZyAoUHR5KSBM dGQuMSwwKgYDVQQDEyNUaGF3dGUgUGVyc29uYWwgRnJlZW1haWwgSXNzdWluZyBDQTCBnzAN 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