On Fri, Mar 23, 2007 at 12:15:12PM +0100, Eric Dumazet wrote:
> Hi Andi
>
> 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() ?
Sure why not. Please send a patch.
-Andi
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