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SubjectRe: [PATCH] Freeze bdevs when freezing processes.
On Monday, 23 October 2006 16:15, Nick Piggin wrote:
> Rafael J. Wysocki wrote:
> > This case is a bit special. I don't think it would be right to require every
> > device driver writer to avoid modifying RCU pages from the interrupt
> > context, because that would break the suspend to disk ...
> >
> > Besides, if there is an RCU page that we _know_ we can use to store the image
> > in it, we can just include this page in the image without copying. This
> > already gives us one extra free page for the rest of the image and we can
> > _avoid_ creating two images which suspend2 does and which adds a _lot_ of
> > complexity to the code.
> If you don't mind me asking... what are these RCU pages you speak of?
> I couldn't work it out by grepping kernel/power/*

Oops, s/RCU/LRU/g (shame, shame).

Sorry for the confusion.

You never change things by fighting the existing reality.
R. Buckminster Fuller
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