Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 1/5] cpuset memory spread basic implementation | Date | Tue, 7 Feb 2006 18:29:45 +0100 |
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On Tuesday 07 February 2006 18:11, Christoph Lameter wrote: > 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.
Yes, they're thrown away which is wasteful. If they were spread around in the first place that often wouldn't be needed.
-Andi
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