linux-kernel - Re: Testing RAM from userspace / question about memmap= arguments

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Message-ID: <20071222134612.GA4098@ucw.cz>
Date:	Sat, 22 Dec 2007 13:46:12 +0000
From:	Pavel Machek <pavel@....cz>
To:	Richard D <richard@...unus.com>
Cc:	'Matthew Bloch' <matthew@...emark.co.uk>,
	linux-kernel@...r.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
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