linux-kernel - Re: [RFC][PATCH -mm 1/5] swsusp: Introduce memory bitmaps

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Message-ID: <20060809115335.GA3747@elf.ucw.cz>
Date:	Wed, 9 Aug 2006 13:53:35 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	LKML <linux-kernel@...r.kernel.org>, Linux PM <linux-pm@...l.org>
Subject: Re: [RFC][PATCH -mm 1/5] swsusp: Introduce memory bitmaps

On Wed 2006-08-09 13:36:16, Rafael J. Wysocki wrote:
> Hi,
> 
> On Wednesday 09 August 2006 13:27, Pavel Machek wrote:
> > > > > Introduce the memory bitmap data structure and make swsusp use in the suspend
> > > > > phase.
> > > > > 
> > > > > The current swsusp's internal data structure is not very efficient from the
> > > > > memory usage point of view, so it seems reasonable to replace it with a data
> > > > > structure that will require less memory, such as a pair of bitmaps.
> > > > 
> > > > Well, 500 lines of code  for what... 0.25% bigger image?
> 
> BTW, that depends on the total size of RAM.  On a 1.5 GB i386 box that would
> be something like 100%.

Well, well, but 99.75% of that is from 3/5 patch, and we could still
get those 99.75% without bitmaps, right?
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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