kphysm_del_status
extern int kphysm_del_status(memhandle_t, memdelstat_t *);
rv = kphysm_del_status(mp->sbm_memhandle, &mdst);
rv = kphysm_del_status(mp->sbm_memhandle, &mdst);
rv = kphysm_del_status(mp->sbm_memhandle, &mdst);
err = kphysm_del_status(dsp->handle, &dstat);
(void) kphysm_del_status(dsp->handle, &dstat);
status = (dr_mh && (kphysm_del_status(dr_mh, &del_stat) == KPHYSM_OK));