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SubjectRe: SLUB: Return ZERO_SIZE_PTR for kmalloc(0)
On 6/4/07, Roland Dreier <rdreier@cisco.com> wrote:
> No, because as was mentioned earlier in the thread, we want code to be
> able to handle 0-sized allocations without special cases. The goal is
> that code like
>
> buf = kmalloc(nobj * obj_size);
> if (buf == NULL)
> return -ENOMEM;
>
> should work fine if nobj happens to be 0. But we do want to get an
> oops if the code actually tries to read or write *buf.

Aah, missed that part of the discussion. Sorry for the noise ;-)
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