Note that "resume from disk" does _not_ have to necessarily
resume kernel data structures. It is enough if it just resumes
the caches etc.
For speeding up a boot process, sure... but for suspend/resume on a
laptop --- why would you bother?
Don't get _too_ hung up about the power-management kind of
"invisible suspend/resume" sequence where you resume the whole
I'm confused. I've always wondered that before you suspend the state
of a machine to disk, why we just don't throw away unnecessary data
like anything not actively referenced.
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