linux-kernel - Re: A kexec approach to hibernation

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Message-ID: <20070605093429.GB5229@suse.de>
Date:	Tue, 5 Jun 2007 11:34:29 +0200
From:	Stefan Seyfried <seife@...e.de>
To:	Xavier Bestel <xavier.bestel@...e.fr>
Cc:	nigel@...el.suspend2.net,
	Jeremy Maitin-Shepard <jmaitins@...rew.cmu.edu>,
	Pavel Machek <pavel@....cz>,
	Jeremy Maitin-Shepard <jbms@....edu>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: A kexec approach to hibernation

On Tue, Jun 05, 2007 at 10:15:41AM +0200, Xavier Bestel wrote:
> FWIW, on my old laptop apm beats any kernel solution hands down in terms
> of speed

This might be true on 64MB systems. It is surely not true on multi-Gigabyte-
RAM setups. At least not if you actually use that memory for anything
including filesystem cache.
And you simply cannot buy a new machine today that still supports APM suspend
to disk.
-- 
Stefan Seyfried
QA / R&D Team Mobile Devices        |              "Any ideas, John?"
SUSE LINUX Products GmbH, Nürnberg  | "Well, surrounding them's out." 

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