On Tue, 7 Feb 2006, Andi Kleen wrote:
> > are you sure this is not some older VM issue?
>
> Unless you implement page migration for all caches it's still there.
> The only way to get rid of caches on a node currently is to throw them
> away. And refetching them from disk is quite costly.
The caches on a node are shrunk dynamically see the zone_reclaim
functionality introduced in 2.6.16-rc2.
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