Messages in this thread | | | Date | Fri, 8 Jul 2011 10:29:11 +0200 | From | Martin Schwidefsky <> | Subject | Re: [patch 1/1] [PATCH] include storage keys in hibernation image. |
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On Thu, 7 Jul 2011 23:36:25 +0200 "Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> On Wednesday, June 15, 2011, Martin Schwidefsky wrote: > > On Tue, 14 Jun 2011 22:50:14 +0200 > > "Rafael J. Wysocki" <rjw@sisk.pl> wrote: > ... > > > > Well before the preallocation kicked in we don't know which are the relevant > > storage keys. The only other option would be to store all of them which I > > consider to be a inferior solution. > > I've been thinking about that recently a bit. > > Don't we need to restore the keys of the page frames that aren't copied > into the image too?
Pages that are free (= not part of the image) will get a zero storage key once they are allocated again. So no, we do not need to include these keys into the hibernation image.
-- blue skies, Martin.
"Reality continues to ruin my life." - Calvin.
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