lgrp_choose
lgrp_choose(t, t->t_cpupart), 0);
lgrp_choose(t, t->t_cpupart), 1);
lgrp_move_thread(tp, lgrp_choose(tp, tp->t_cpupart),
lgrp_choose(t,
lgrp_choose(t, t->t_cpupart), 1);
lgrp_choose(tp, tp->t_cpupart), 1);
lgrp_move_thread(t, lgrp_choose(t, t->t_cpupart), 1);
lpl_t *lgrp_choose(kthread_t *t, struct cpupart *);