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    SubjectRe: [PATCH v2] NOMMU: add support for Memory Protection Units (MPU)
    Bernd Schmidt <> wrote:

    > No page table, just three bitmaps (r/w/x), with one bit per page, per mm.

    That sounds a bit inefficient as you have to make three accesses per page. I
    suppose it depends on how your MPU works.


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