dfly_chooseproc_locked
nlp = dfly_chooseproc_locked(dd, dd, dd->uschedcp, 0);
nlp = dfly_chooseproc_locked(rdd, dd, NULL, 1);
nlp = dfly_chooseproc_locked(dd, dd, dd->uschedcp, 0);
static struct lwp *dfly_chooseproc_locked(dfly_pcpu_t rdd, dfly_pcpu_t dd,
nlp = dfly_chooseproc_locked(rdd, dd, NULL, 1);