On Wed, 26 Sep 2007, Pavel Emelyanov wrote:

> True, but we mark the slubs as notifyable at runtime, after they
> are merged. However, once someone decides to make his slab notifyable
> from the very beginning this makes sense, thanks.

This also makes sense if a device driver later creates a new slab. Adding 
the bit will switch off additional merges for that slab.

> Oh, great! Does this mean I can put Acked-by when sending this to Andrew?

Yes.