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    SubjectRe: 64-bit shm: abi problems
       Date: Tue, 14 Dec 1999 15:29:23 -0800
    From: Richard Henderson <>

    Yes I see someone thought it would be a keen idea to
    change shm_segsz to size_t from int. Why? I'm quite
    happy with a 2G limit; you should have been using mmap
    well before that anyway.

    mmap() still doesn't support anonymous SHARED+WRITE, which is why
    people want sysv/ipv SHM.

    David S. Miller

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