ddm_node_priv
if (dmd->ddm_node_priv)
dpfree(dmd->ddm_node_priv);
dv->dv_priv = dmd->ddm_node_priv;
r_mi->ddm_node_priv = dmd->ddm_node_priv;
if (r_mi->ddm_node_priv)
dphold(r_mi->ddm_node_priv);
dmdp->ddm_node_priv =
if (dmdp->ddm_node_priv)
dpfree(dmdp->ddm_node_priv);