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

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Message-ID: <20060809103120.GI3308@elf.ucw.cz>
Date:	Wed, 9 Aug 2006 12:31:20 +0200
From:	Pavel Machek <pavel@...e.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

Hi!

> 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? I see it
enables you to do some cleanups... but could we get those cleanups
without those 500 lines? :-).

>  kernel/power/power.h    |    3 
>  kernel/power/snapshot.c |  605 ++++++++++++++++++++++++++++++++++++++++++------
>  kernel/power/swsusp.c   |    5 
>  3 files changed, 542 insertions(+), 71 deletions(-)

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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