V_pf_frnode_z
V_pf_frnode_z = uma_zcreate("pf fragment node",
uma_zdestroy(V_pf_frnode_z);
uma_zfree(V_pf_frnode_z, frnode);
frnode = uma_zalloc(V_pf_frnode_z, M_NOWAIT);
frnode = uma_zalloc(V_pf_frnode_z, M_NOWAIT);