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    SubjectRe: [PATCH 00 of 10] x86: unify asm/pgtable.h

    * Jeremy Fitzhardinge <> wrote:

    > In other words, prot and ref_prot can never be equal, so this path is
    > always taken, and the other branch which tests pte_huge() is never
    > run.
    > Andi? Jan? Is this code just buggy, or is there something else going
    > on here?

    this code is plain buggy but fixing it triggered driver bugs in the past
    so we've been procrastinating it forever ...


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