Messages in this thread | | | Date | Fri, 1 Jun 2007 20:41:41 -0700 | From | Andrew Morton <> | Subject | Re: SLUB: Return ZERO_SIZE_PTR for kmalloc(0) |
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> On Fri, 1 Jun 2007 18:37:46 -0700 (PDT) Christoph Lameter <clameter@sgi.com> wrote: > > +#define ZERO_SIZE_PTR ((void *)16)
Jeremy's point was a good one. The kernel _does_ use address-comparison to determine object-inequality in an unknown but non-zero number of places.
It is of course unlikely that this will occur in conjunction with zero-sized objects, but who knows? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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