linux-kernel - Re: [PATCH 05/22] Hibernation: Switch to preallocating swap.

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Message-Id: <201009260022.36244.rjw@sisk.pl>
Date:	Sun, 26 Sep 2010 00:22:36 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Nigel Cunningham <nigel@...onice.net>
Cc:	Linux PM <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"TuxOnIce-devel" <tuxonice-devel@...onice.net>
Subject: Re: [PATCH 05/22] Hibernation: Switch to preallocating swap.

On Saturday, September 25, 2010, Nigel Cunningham wrote:
> Morning.
> 
> On 26/09/10 07:24, Rafael J. Wysocki wrote:
> > On Saturday, September 25, 2010, Nigel Cunningham wrote:
> >> Switch from allocating swap as the image is written to allocating
> >> storage prior to writing the image.
> >
> > Hmm, I think I know what the patch does, but I don't really understand the
> > changelog.  Care to explain/fix?
> 
> Sure. I was a little terse, wasn't I? :)
> 
> Prior to this patch, we allocated swap as we were writing the image. 
> This patch changes things so that we instead allocate all the swap we'll 
> need prior to starting to write the image. It lays groundwork for later 
> patches that switch from doing I/O in batches.

Good.  I'll use the above as a replacement changelog if you don't mind.

Thanks,
Rafael
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