On Mon, 11 Jun 2018 at 16:39, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: [.../...] > > Then it calls set_next_buddy(&p->se), which will mark @p more likely to > get picked on its rq (p_rq) _not_ our rq. Note how set_next_buddy() uses > cfs_rq_of(). I miss it, thanks for the great explanation. I will drop the two patches. Regards, Wanpeng Li