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    SubjectRe: anon_vma RFC2
    On Fri, 12 Mar 2004, Linus Torvalds wrote:
    > The absolute _LAST_ thing we want to have is a "remnant" rmap
    > infrastructure that only gets very occasional use. That's a GUARANTEED way
    > to get bugs, and really subtle behaviour.

    On Sat, 13 Mar 2004, Linus Torvalds wrote:
    > I just think that if mremap() causes so many problems for reverse mapping,
    > we should make _that_ the expensive operation, instead of making
    > everything else more complicated.

    Friday's Linus has a good point, but I agree more with Saturday's:
    mremap MAYMOVE is a very special case, and I believe it would hurt
    the whole to put it at the centre of the design. But all power to
    Andrea to achieve that.


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