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    SubjectRe: Efficient IPC mechanism on Linux
    Date
    > mean 11561 cycles to:
    >
    > page fault
    > copy zero page
    > install copy
    > remove copy
    >
    > (= write every page from MAP_ANON region and unmap, repeatedly)
    >
    > I think that makes a clear case for avoiding page copies.

    Thanks.
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