Messages in this thread | | | Date | Fri, 1 Jun 2007 19:15:53 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: SLUB: Return ZERO_SIZE_PTR for kmalloc(0) |
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On Fri, 1 Jun 2007, John Anthony Kazos Jr. wrote:
> > + * The behavior for zero sized allocs changes. We no longer > > + * allocate memory but return ZERO_SIZE_PTR. > > + * WARN so that people can review and fix their code. > > I don't see why people have so much opposition to zero-size memory > allocations. There's all sorts of situations where you want a resizeable > array that may have zero objects, especially in these days of > hotpluggability.
In case you have not read the description to the end: This patch does exactly what you want and legitimizes zero size object use. The warning will be remove before 2.6.22 is released.
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