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SubjectRe: [PATCH 4/4] slub: deactivate freelist of kmem_cache_cpu all at once in deactivate_slab()
On Sat, 9 Jun 2012, Joonsoo Kim wrote:

> Current implementation of deactivate_slab() which deactivate
> freelist of kmem_cache_cpu one by one is inefficient.
> This patch changes it to deactivate freelist all at once.
> But, there is no overall performance benefit,
> because deactivate_slab() is invoked infrequently.

Hmm, deactivate freelist can race with slab_free. Need to look at this in

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