Manfred Spraul wrote:
Christoph Lameter wrote:virt_to_page is not cheap on NUMA.I know. But it was a design assumption when I wrote the slab allocator.Acutally, it's not cheap on non-NUMA either. And the PageCompound() check adds an additional branch.
Just FYI, the PageCompound check can go as soon as nommu stops trying to do its
broken page refcounting on slab pages (whenever that happens :P). --Send instant messages to your online friends http://au.messenger.yahoo.com -
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