Messages in this thread | | | Date | Fri, 8 Jun 2012 14:04:49 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 4/4] slub: deactivate freelist of kmem_cache_cpu all at once in deactivate_slab() |
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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 detail.
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