Oh it's reproduceable OK.  Just run

	make-teeny-files 7 7

Excellent - thanks for that ... will try it.
 

Maybe you didn't cat /dev/sda2 for long enough?

Well, it's a multi-gigabyte partition. IIRC, I just ran it until
it died with "input/output error" ... which I assumed at the time
was the end of the partition, but it should be able to find that
without error, so maybe it just ran out of ZONE_NORMAL ;-)
 

Perhaps we need to multiply the slab cache scanning pressure by the
slab occupancy.  That's simple to do.

That'd make a lot of sense (to me, at least). I presume you mean
occupancy on a per-slab basis, not global.

M.

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