linux-kernel - Re: [PATCH] Remove process freezer from suspend to RAM pathway

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Message-Id: <200707061553.51036.nigel@nigel.suspend2.net>
Date:	Fri, 6 Jul 2007 15:53:50 +1000
From:	Nigel Cunningham <nigel@...el.suspend2.net>
To:	Kyle Moffett <mrmacman_g4@....com>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Pavel Machek <pavel@....cz>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [PATCH] Remove process freezer from suspend to RAM pathway

Hi Kyle.

On Friday 06 July 2007 15:01:48 Kyle Moffett wrote:
> On Jul 06, 2007, at 00:03:15, Nigel Cunningham wrote:
> > The kind of thing Linus was talking about would limit you (as  
> > swsusp and uswsusp do now) to only half the amount of memory.
> 
> How so?  Suppose hibernate is implemented like this:

You're not talking about the same thing Linus was suggesting. He was just 
wanting a result = sys_snapshot() sort of call. That would limit us to half 
the amount of memory.

I've looked over what you've written below and want to consider it in detail. 
Right now though, I don't have the time. I'll try to get back to you 
promptly.

Nigel
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