Messages in this thread | | | Date | Wed, 21 Mar 2007 00:03:05 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [RFC] SLAB : NUMA cache_free_alien() very expensive because of virt_to_slab(objp); nodeid = slabp->nodeid; |
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On Wed, 21 Mar 2007, Eric Dumazet wrote:
> The fast path is to put the pointer, into the cpu array cache. This object > might be given back some cycles later, because of a kmem_cache_alloc() : No > need to access the two cache lines (struct page, struct slab)
If you do that then the slab will no longer return objects from the desired nodes. The assumption is that cpu array objects are from the local node. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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