* Rafael J. Wysocki <[email protected]> wrote:
> > how different can it be, for resume to work? I mean, we'll have
> > deeply kernel version dependent variables in RAM. Am i missing
> > something obvious?
>
> On x86-64 it can be almost totally different (by restoring a
> hibernation image we replace the entire contents of RAM with almost no
> constraints).
>
> [Well, using a relocatable kernel for restoring an image with
> nonrelocatable one or vice versa is rather not the best idea, but
> everything else should work in theory.]
>
> On i386 the boot kernel is still required to be the same as the one in
> the image.
what's exactly in the hibernation image? Dirty data i suppose - but what
about kernel-internal pages. What if we go from SLAB to SLUB? What if
the size of a structure changes? Etc.
Ingo
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