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    SubjectRe: [patch 0/3] 2.6.20 fix for PageUptodate memorder problem (try 2)

    > Fix threaded user page write memory ordering
    > Make sure we order the writes to a newly created page
    > with the page table update that potentially exposes the
    > page to another CPU.
    > This is a no-op on any architecture where getting the
    > page table spinlock will already do the ordering (notably
    > x86), but other architectures can care.

    Ah yes, the clear_* ones I knew about as I'm the one who tracked down
    that bug on power :-) I though the ones Nick pointed out were different


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