/* kref_get - increment refcount for object. @kref: object.  */
void kref_get(struct kref *kref)
/* kref_get - increment refcount for object. @kref: object.  */
void kref_get(struct kref *kref)
{
	WARN_ON(!atomic_read(&kref->refcount));
	atomic_inc(&kref->refcount);
	smp_mb__after_atomic_inc();
}