Messages in this thread | | | Date | Fri, 01 Jun 2007 17:46:31 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning |
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Linus Torvalds wrote: > So for *both* of the above reasons, it's actually stupid to return NULL > for a zero-sized allocation. It would be much better to return another > pointer that will trap on access. A good candidate might be to return > > #define BADPTR ((void *)16) >
I think this is a good idea in principle, but I wonder if there's any code which assumes that kmalloc(x) != kmalloc(x) for all non-NULL returns from kmalloc.
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