Matthew,

> How long will flash memory last if it is used for Swap space?
> 
> CF cards are now fairly cheap but I'd want to have
> some estimate before using one for swap space.
> 
> I've read before that the first flash memories would stand
> 100,000 write cycles before causing a problem.
> 
> Am I completely out of date here.

  The way it works, as I believe, is that the mapped region is
write-back cached by the main memory DRAM.

  I do share the concern about the limit, but at least the frequency
of write is less often than the worst case.  Although I don't know
exactly how easy to hit the limit.

-- Yoshiki