On Fri, 11 Nov 2005, Hugh Dickins wrote:
> I've nothing against zero page refcounting avoidance, just wanted
> numbers to show it's more worth doing than not doing. And I'm not
> the only one to have wondered, if it is an issue, wouldn't big NUMA
> benefit more from per-node zero pages anyway? (Though of course
> the pages themselves should stay clean, so won't be bouncing.)
Per-node zero pages sound good. The page structs are placed on the
respective nodes and therefore would not bounce.
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