kphysm_del_cancel
extern int kphysm_del_cancel(memhandle_t);
(void) kphysm_del_cancel(mh);
(void) kphysm_del_cancel(mp->sbm_memhandle);
(void) kphysm_del_cancel(mp->sbm_memhandle);
(void) kphysm_del_cancel(dsp->handle);
errs = kphysm_del_cancel(dsp->handle);
(void) kphysm_del_cancel(mh);
rp->msg_arg = (dr_mh && kphysm_del_cancel(dr_mh) != KPHYSM_OK) ?