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SubjectRe: SLUB: Return ZERO_SIZE_PTR for kmalloc(0)
On 06/05/2007 02:07 PM, John Anthony Kazos Jr. wrote:

> The name says exactly what it is. It's not at all dreadful. If we're going
> to return a special value in the zero-size case (and in only that case) as
> a valid pointer instead of actually allocating one byte and treating it as
> zero, what we have is...a zero-size pointer.

No, what we have is a sizeof(pointer) sized pointer pointing to an object of
size zero. ZERO_SIZE_PTR is butt-ugly. With a really ugly butt.

Rene.

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