Josh MacDonald <jmacd@CS.Berkeley.EDU> said:

[...]

> We're not talking about actively referenced entries, we're talking about
> entries on the d_lru list with zero references.  Relocating those objects
> should not require any more locking than currently required to remove and
> re-insert the dcache entry.  Right?

If they are unreferenced, they can be dropped without much cost. The
problem is what to do if you have 40 pages, each 1/10 filled with data in
active use.
-- 
Horst von Brand			     http://counter.li.org # 22616
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