linux-kernel - Re: [PATCH 2/3] swsusp: Do not use page flags

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Message-ID: <Pine.LNX.4.64.0703152317260.12394@twin.jikos.cz>
Date:	Thu, 15 Mar 2007 23:19:02 +0100 (CET)
From:	Jiri Kosina <jikos@...os.cz>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Pavel Machek <pavel@....cz>,
	a.p.zijlstra@...llo.nl, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] swsusp: Do not use page flags

On Thu, 15 Mar 2007, Andrew Morton wrote:

> > > And why _does_ suspend use GFP_ATOMIC all over the place?
> > Generally, because it cannot sleep.
> Why not?

I guess it's simply beucase of kswapd being already frozen, so there is no 
chance that once GFP_KERNEL allocation goes to sleep, it is going to get 
any free pages eventually ... ?

-- 
Jiri Kosina
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