SBD_MFLAG_SOURCE
if (mp->sbm_flags & SBD_MFLAG_SOURCE) {
if (s_mp->sbm_flags & SBD_MFLAG_SOURCE) {
} else if (s_mp->sbm_flags & SBD_MFLAG_SOURCE) {
s_mp->sbm_flags |= SBD_MFLAG_SOURCE;
if (s_mp->sbm_flags & SBD_MFLAG_SOURCE) {
if (s_mp->sbm_flags & SBD_MFLAG_SOURCE) {
if (s_mp->sbm_flags & SBD_MFLAG_SOURCE) {