Re: [RFC] Additional features for zone reclaim

Andi Kleen
2006-01-18T02:55:54Z

On Wednesday 18 January 2006 00:10, Christoph Lameter wrote:
> This patch adds the ability to shrink the cache if a zone runs out of
> memory or to start swapping out pages on a node. The slab shrink
> has some issues since it is global and not related to the zone.
> One could add support for zone specifications to the shrinker to
> make that work. Got a patch halfway done that would modify all
> shrinkers to take an additional zone parameters. But is that worth it?

I was considering this when I was working on NUMA memory policy
because the VM often got unhappy with MPOL_BIND under stress.
Didn't do it to keep the patches simple, but it would be probably a good
thing.

-Andi