[RFC PATCH 14/23 V2] slub, hotplug: ignore unrelated node's hot-adding and hot-removing

[Christoph Lameter]

On Thu, 2 Aug 2012, Lai Jiangshan wrote:

> SLUB only fucus on the nodes which has normal memory, so ignore the other
> node's hot-adding and hot-removing.

You would need to do the same for SLAB. SLAB has an easier time with
falling back to other nodes (and therefore does not show up in your
tests) but as a result SLAB will be quite ineffective
because it created bogus structures that are never used yet constantly
traversed.