Re: [RFC PATCH 14/23 V2] slub, hotplug: ignore unrelated node's hot-adding and hot-removing
From: Christoph Lameter <hidden>
Date: 2012-08-02 16:05:01
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linux-mm
Possibly related (same subject, not in this thread)
- 2012-08-06 · Re: [RFC PATCH 14/23 V2] slub, hotplug: ignore unrelated node's hot-adding and hot-removing · Lai Jiangshan <hidden>
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.