Re: [ 01/10] [Suspend2] kernel/power/modules.h

[Nigel Cunningham]

Hi.

On Thursday 02 February 2006 19:38, Pavel Machek wrote:
> Hi!
>
> > Its limitation , however, is that it requires a lot of memory for the
> > system memory snapshot which may be impractical for systems with limited
> > RAM, and that's where your solution may be required.
>
> Actually, suspend2 has similar limitation. It still needs half a
> memory free, but it does not count caches into that as it can save
> them separately.
>
> That means that on certain small systems (32MB RAM?), suspend2 is going to
> have big advantage of responsivity after resume. But on the systems
> where [u]swsusp can't suspend (6MB RAM?), suspend2 is not going to be
> able to suspend, either. [Roughly; due to bugs and implementation
> differences there may be some system size where one works and second
> one does not, but they are pretty similar]
>
> But that's probably not a problem as it is only going to fail on
> *very* small system. Desktops with 6MB RAM are not too common these
> days, fortunately. Not even in embedded space.

Fully agree.

Regards,

Nigel
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