Re: [PATCH v4 5/5] sched: add two functions for att(det)aching a task to(from) a cfs_rq

Ingo Molnar
2015-09-02T08:30:01Z

* Peter Zijlstra <peterz@infradead.org> wrote:

> On Wed, Sep 02, 2015 at 11:33:15AM +0900, Byungchul Park wrote:
> > +++ b/kernel/sched/fair.c
> > @@ -7920,14 +7920,14 @@ prio_changed_fair(struct rq *rq, struct task_struct *p, int oldprio)
> >
> > static inline bool vruntime_normalized(struct task_struct *p)
> > {
> > struct sched_entity *se = &p->se;
> >
> > /*
> > + * In both TASK_ON_RQ_QUEUED case and TASK_ON_RQ_MIGRATING case,

s/ In both the TASK_ON_RQ_QUEUED and TASK_ON_RQ_MIGRATING cases,

> > + * the dequeue_entity(.flags=0) will already have normalized the
> > + * vruntime.

Thanks,

Ingo