Messages in this thread | | | Date | Fri, 23 Mar 2007 14:48:24 +0200 | From | "Pekka Enberg" <> | Subject | Re: [RFC] NUMA : could we introduce virt_to_nid() ? |
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On 3/23/07, Eric Dumazet <dada1@cosmosbay.com> wrote: > Checking Christoph quicklist implementation, I found the same cache miss in > free() than SLAB has. > > /* common implementation * > int virt_to_nid(const void *addr) > { > struct page *page = virt_to_page(addr); > return page_to_nid(page); > } > > On some platforms (x86_64 for example), could we have a better implementation, > not accessing struct page, but using phys_to_nid() ?
Sounds good to me. At least cache_free_alien() in mm/slab.c to should be converted to use it. - 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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