Re: kfree(0) - ok?

[Thomas Gleixner]

On Sat, 2007-08-18 at 00:42 +0300, Pekka Enberg wrote:
> On 8/18/07, Christoph Lameter <clameter@xxxxxxx> wrote:
> > That was merged over my objections. IMHO ksize(NULL) should fail since we
> > are determining the size of an unallocated object.
> 
> Agreed, especially as we have real zero-sized objects returned from
> kmalloc() et al now.

Do we really ? 

If yes, who invented this 1980s reminiscence, where you got valid
pointers for malloc(0) ?

This is completely stupid. You do not go into a bar and order an empty
glass, just because you might eventually become thirsty later.

	tglx


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