On Thu, 22 Mar 2007 23:28:41 -0700 (PDT) Christoph Lameter <[EMAIL PROTECTED]> 
wrote:

> 1. Proven code from the IA64 arch.
> 
>       The method used here has been fine tuned for years and
>       is NUMA aware. It is based on the knowledge that accesses
>       to page table pages are sparse in nature. Taking a page
>       off the freelists instead of allocating a zeroed pages
>       allows a reduction of number of cachelines touched
>       in addition to getting rid of the slab overhead. So
>       performance improves.

By how much?
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