On Wed, 5 Jun 2013, JoonSoo Kim wrote:
> @@ -2495,7 +2495,8 @@ static void __slab_free(struct kmem_cache *s,
> struct page *page,
> new.inuse--;
> if ((!new.inuse || !prior) && !was_frozen) {
>
> - if (!kmem_cache_debug(s) && !prior)
> + if (!kmem_cache_debug(s) && !prior &&
> + node_match(page,
> cpu_to_node(smp_processor_id())))
>
Would increase the overhead of the free path. cpu_to_node? Use
numa_node_id().
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