Messages in this thread | | | Date | Thu, 22 Mar 2007 22:39:27 -0800 | From | Andrew Morton <> | Subject | Re: [QUICKLIST 1/5] Quicklists for page table pages V4 |
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On Thu, 22 Mar 2007 23:28:41 -0700 (PDT) Christoph Lameter <clameter@sgi.com> 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.
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