Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754176AbXLVPhL (ORCPT ); Sat, 22 Dec 2007 10:37:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752122AbXLVPg7 (ORCPT ); Sat, 22 Dec 2007 10:36:59 -0500 Received: from outbound-mail-08.bluehost.com ([69.89.17.208]:40431 "HELO outbound-mail-08.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751302AbXLVPg6 (ORCPT ); Sat, 22 Dec 2007 10:36:58 -0500 X-Greylist: delayed 399 seconds by postgrey-1.27 at vger.kernel.org; Sat, 22 Dec 2007 10:36:58 EST From: "Richard D" To: "'Pavel Machek'" Cc: "'Matthew Bloch'" , References: <20071221125812.GA4052@ucw.cz> <000001c84472$74b245e0$5e16d1a0$@com> <20071222134612.GA4098@ucw.cz> In-Reply-To: <20071222134612.GA4098@ucw.cz> Subject: RE: Testing RAM from userspace / question about memmap= arguments Date: Sat, 22 Dec 2007 21:00:11 +0530 Message-ID: <000a01c844af$8e76b910$ab642b30$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AchEoQqzCgXTQ7MPSC69bkKKNa/+wQADiDqw Content-Language: en-us X-Identified-User: {2260:host187.hostmonster.com:embunusc:embunus.com} {sentby:bopbeforesmtp 121.247.188.187 authed with embunus.com} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1111 Lines: 29 I was thinking that by the time userspace is ready, the memory that can be tested will be less. -----Original Message----- From: Pavel Machek [mailto:pavel@ucw.cz] Sent: Saturday, December 22, 2007 7:16 PM To: Richard D Cc: 'Matthew Bloch'; linux-kernel@vger.kernel.org Subject: Re: Testing RAM from userspace / question about memmap= arguments On Sat 2007-12-22 13:42:47, Richard D wrote: > Cant you, modify bootmem allocator to test with memtest patterns and then > use kexec (as Pavel suggested) to test the one where kernel was sitting > earlier? I do not think you need to modify anything in kernel. Just use /dev/mem to test areas that kernel doesn't see, then kexec into place you already tested, and test the rest. -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/