> And that's why I'd rather have generic support for _any_ page mapping that
> wants to drop pages early than have specific logic for swapping.
> Historically, we've always had very good results from trying to avoid
> having special cases and instead trying to find what the common rules
> might be.
Just a thought: isn't a dead swap page a rather similar condition to a
page in a file without any links, open file descriptors, or open mmaps? In
both cases, writeback really makes no sense.
MfG Kai
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