Re: [patch 9/9] mm: workingset: keep shadow entries in check

[Andi Kleen]

I really like the idea of using the spare slots in the radix tree
for something useful. It's amazing we haven't used that before.

I wonder if with some clever encoding even more information could be fit?

e.g. I assume you don't really need all bits of the refault distance,
just a good enough approximation.

-Andi
-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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