On Tue, Oct 18, 2016 at 01:56:51PM +0200, Vincent Guittot wrote: > --- > kernel/sched/fair.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c > index 8b03fb5..89776ac 100644 > --- a/kernel/sched/fair.c > +++ b/kernel/sched/fair.c > @@ -690,7 +690,14 @@ void init_entity_runnable_average(struct sched_entity > *se) > * will definitely be update (after enqueue). > */ > sa->period_contrib = 1023; > - sa->load_avg = scale_load_down(se->load.weight); > + /* > + * Tasks are intialized with full load to be seen as heavy task until > + * they get a chance to stabilize to their real load level. > + * group entity are intialized with null load to reflect the fact that > + * nothing has been attached yet to the task group. > + */ > + if (entity_is_task(se)) > + sa->load_avg = scale_load_down(se->load.weight); > sa->load_sum = sa->load_avg * LOAD_AVG_MAX; > /* > * At this point, util_avg won't be used in select_task_rq_fair anyway >
Vince, could you post a proper version of this patch with changelogs and tags so that we can get that merged into Linus' tree and stable for 4.8?
