From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: LKML <linux-kernel@vger.kernel.org>,
Nigel Cunningham <ncunningham@linuxmail.org>,
Johannes Berg <johannes@sipsolutions.net>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Christoph Lameter <clameter@sgi.com>,
Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: [RFC][PATCH 2/3] swsusp: Do not use page flags
Date: Mon, 12 Mar 2007 10:03:35 +0100 [thread overview]
Message-ID: <20070312090335.GD8330@elf.ucw.cz> (raw)
In-Reply-To: <200703111131.07751.rjw@sisk.pl>
Hi!
> Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and
> free pages. This allows us to 'recycle' two page flags that can be used for other
> purposes. Also, the memory needed to store the bitmaps is allocated when
> necessary (ie. before the suspend) and freed after the resume which is more
> reasonable.
>
> The patch is designed to minimize the amount of changes and there are some nice
> simplifications and optimizations possible on top of it. I am going to
> implement them separately in the future.
>
> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Looks ok, but needs to stay in -mm for a while. ACK.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-03-12 9:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-11 10:17 [RFC][PATCH 0/3] swsusp: Stop using page flags Rafael J. Wysocki
2007-03-11 10:26 ` [RFC][PATCH 1/3] swsusp: Use inline functions for changing " Rafael J. Wysocki
2007-03-12 9:01 ` Pavel Machek
2007-03-11 10:31 ` [RFC][PATCH 2/3] swsusp: Do not use " Rafael J. Wysocki
2007-03-12 9:03 ` Pavel Machek [this message]
2007-03-11 10:34 ` [RFC][PATCH 3/3] mm: Remove unused " Rafael J. Wysocki
2007-03-12 9:03 ` Pavel Machek
2007-03-11 10:52 ` [RFC][PATCH 0/3] swsusp: Stop using " Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2007-02-16 10:13 Remove page flags for software suspend Christoph Lameter
2007-03-01 15:33 ` Rafael J. Wysocki
2007-03-04 13:50 ` [RFC][PATCH 0/3] swsusp: Do not use page flags (was: Re: Remove page flags for software suspend) Rafael J. Wysocki
2007-03-04 14:07 ` [RFC][PATCH 2/3] swsusp: Do not use page flags Rafael J. Wysocki
2007-03-04 14:07 ` Rafael J. Wysocki
2007-03-13 4:47 ` Nick Piggin
2007-03-13 4:47 ` Nick Piggin
2007-03-13 9:16 ` Rafael J. Wysocki
2007-03-13 9:16 ` Rafael J. Wysocki
2007-03-13 9:23 ` Nick Piggin
2007-03-13 9:23 ` Nick Piggin
2007-03-13 10:17 ` Rafael J. Wysocki
2007-03-13 10:17 ` Rafael J. Wysocki
2007-03-13 10:31 ` Nick Piggin
2007-03-13 10:31 ` Nick Piggin
2007-03-13 21:20 ` Rafael J. Wysocki
2007-03-13 21:20 ` Rafael J. Wysocki
2007-03-14 3:17 ` Nick Piggin
2007-03-14 3:17 ` Nick Piggin
2007-03-14 8:30 ` Rafael J. Wysocki
2007-03-14 8:30 ` Rafael J. Wysocki
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