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    SubjectRe: [RFC][PATCH 0/8] Speculative pagefault -v3
    On 01/04/2010 04:46 PM, Peter Zijlstra wrote:
    > On Mon, 2010-01-04 at 16:41 -0500, Rik van Riel wrote:
    >> On 01/04/2010 01:24 PM, Peter Zijlstra wrote:
    >>> Patch series implementing speculative page faults for x86.
    >>
    >> Fun, but why do we need this?
    >
    > People were once again concerned with mmap_sem contention on threaded
    > apps on large machines. Kame-san posted some patches, but I felt they
    > weren't quite crazy enough ;-)

    In that case, I assume that somebody else (maybe Kame-san or
    Christoph) will end up posting a benchmark that shows how
    these patches help.

    --
    All rights reversed.


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