Re: unconfiguring swap at shutdown

[der Mouse <mouse%Rodents-Montreal.ORG@localhost>]

> Processes end up unkillable because they're in an uninterruptible
> wait.  If you interrupt the uninterruptible wait, there's no recovery
> and cleanup code.  So you're pretty much limited to taking the
> process out of the process table and dropping it on the floor; but
> that doesn't really accomplish anything.

If you're trying to shut down, it does indeed - it gets rid of the
process that's holding all those pages on swap.  This "recovery" is
basically what happens now if you shut down a system with a process
stuck in an unkillable wait, after all; it's just at a different point.

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