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. J - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
- From: Srinivasa Ds <[email protected]>
- Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
- From: Srinivasa Ds <[email protected]>
- Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
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- Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
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- Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
- From: Andrew Morton <[email protected]>
- Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
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- Re: [RFC] [PATCH] cpuset operations causes Badness at mm/slab.c:777 warning
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- From: Linus Torvalds <[email protected]>
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