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    SubjectRe : vm: weird behaviour when munmapping
    Peter Zijlstra wrote:
    > No indeed. You seem confused with remaining and new.
    > It has one VMA (A) it needs to split that into two pieces, it happens to
    > do it like (B,A') where A' is the old VMA object with new a start
    > address, and B is a new VMA object.

    Is there any rules to decide which VMA is the new one ?

    From what you wrote it seems that we call B the new object because
    it has a new end address...

    From my point of view, I called B the old VMA simply because it's
    going to be destroyed...


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