Function vm_object_reference

freebsd/vm/vm_object.c:498–511

* vm_object_reference: * * Acquires a reference to the given object. */

 *	Acquires a reference to the given object.
 */
void
vm_object_reference(vm_object_t object)
{

	if (object == NULL)
		return;

	if (object->type == OBJT_VNODE)
		vm_object_reference_vnode(object);
	else
		refcount_acquire(&object->ref_count);
	KASSERT((object->flags & OBJ_DEAD) == 0,
	    ("vm_object_reference: Referenced dead object."));
}

/*
 *	vm_object_reference_locked: