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    SubjectRe: Bug: Discontigmem virt_to_page() [Alpha,ARM,Mips64?]
    > The difference is that if you use discontigmem you don't clobber the
    > common code in any way, there is no "logical/ordinal" abstraction,
    > there is no special table, it's all hidden in the arch section, and the
    > pgdat you need them anyways to allocate from affine memory with numa.

    I *want* the logical / ordinal abstraction. That's not a negative thing -
    it reduces the number of complicated things I have to think about,
    allowing me to think more clearly, and write correct code ;-)

    Not having a multitude of zones to balance in the normal discontigmem
    case also seems like a powerful argument to me ...

    M.

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