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    SubjectRe: New reliability technique
    Pekka Enberg wrote:
    > On 2/26/06, Victor Porton <porton@ex-code.com> wrote:
    >
    >>Isn't it better to double check (especially after such risky things as
    >>e.g. software suspend)?
    >>
    >>We need to check not only for damaged hardware, but also for
    >>kernel/modules bugs. For this ECC and cache reliability is useless.
    >
    >
    > What kernel bugs do you want to catch with double-checking free
    > memory? For use-after-free, we already have slab poisoning.
    >

    And for !slab, we unmap kernel virtual addresses with page debugging,
    which seems like a better solution.

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