Messages in this thread | | | Date | Fri, 1 Jun 2007 18:24:53 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning |
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On Fri, 1 Jun 2007, Valdis.Kletnieks@vt.edu 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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