Re: SLUB: Return ZERO_SIZE_PTR for kmalloc(0)

[Christoph Lameter]

On Mon, 4 Jun 2007, Pekka Enberg wrote:

> On Fri, 1 Jun 2007, Andrew Morton wrote:
> > > They are different instances which happen to have the same length (zero).
> 
> On 6/2/07, Christoph Lameter <clameter@xxxxxxx> wrote:
> > I guess one could use the slab allocators as a type of reservation
> > ticket generator with zero sized objects. Hmmm.... But is that really a
> > useful thing to do?
> 
> Can someone remind me why we can't do what mm/slab.c does for
> zero-size allocations in slub too?

We are doing that right now. The problem is that people keep storing stuff 
in memory allocated with kmalloc(0).
 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/