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    SubjectRe: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
    On Fri, 1 Jun 2007, wrote:

    > On Fri, 01 Jun 2007 16:00:30 PDT, Linus Torvalds said:
    > > #define BADPTR ((void *)16)
    > > I bet you'd find *more* problems that way than by returning NULL, and
    > > you'd also avoid the whole problem with "if (!ptr) return -ENOMEM".
    > Hmm.. this looks like a good contender for "first usage of #ifndef CONFIG_STABLE"

    The warning? Sure but the BADPTR (or ZERO_SIZE_PTR now) will stay.
    It is definitely an error to deference an object that has no size.

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