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    SubjectRe: [PATCH] FUTEX : new PRIVATE futexes
    On Thu, 2007-04-05 at 19:49 +0200, Eric Dumazet wrote:
    > Hi all
    > I'm pleased to present this patch which improves linux futexes performance and
    > scalability, merely avoiding taking mmap_sem rwlock.
    > Ulrich agreed with the API and said glibc work could start as soon
    > as he gets a Fedora kernel with it :)
    > Andrew, could we get this in mm as well ? This version is against 2.6.21-rc5-mm4
    > (so supports 64bit futexes)
    > In this third version I dropped the NUMA optims and process private hash table,
    > to let new API come in and be tested.

    Good work, Thanks!

    Acked-by: Peter Zijlstra <>

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