Hi,
On 02/17/2014 11:24 PM, Kirill Tkhai wrote:
> In deadline class we do not have group scheduling like in RT.
>
> dl_nr_total is the same as dl_nr_running. So, one of them should
> be removed.
>
Thanks!
- Juri
> Signed-off-by: Kirill Tkhai <tk...@yandex.ru>
> CC: Juri Lelli <juri.le...@gmail.com>
> CC: Peter Zijlstra <pet...@infradead.org>
> CC: Ingo Molnar <mi...@redhat.com>
> ---
> kernel/sched/deadline.c | 4 +---
> kernel/sched/sched.h | 1 -
> 2 files changed, 1 insertion(+), 4 deletions(-)
> diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
> index ed31ef6..7a0db95 100644
> --- a/kernel/sched/deadline.c
> +++ b/kernel/sched/deadline.c
> @@ -121,7 +121,7 @@ static inline void dl_clear_overload(struct rq *rq)
>
> static void update_dl_migration(struct dl_rq *dl_rq)
> {
> - if (dl_rq->dl_nr_migratory && dl_rq->dl_nr_total > 1) {
> + if (dl_rq->dl_nr_migratory && dl_rq->dl_nr_running > 1) {
> if (!dl_rq->overloaded) {
> dl_set_overload(rq_of_dl_rq(dl_rq));
> dl_rq->overloaded = 1;
> @@ -137,7 +137,6 @@ static void inc_dl_migration(struct sched_dl_entity
> *dl_se, struct dl_rq *dl_rq)
> struct task_struct *p = dl_task_of(dl_se);
> dl_rq = &rq_of_dl_rq(dl_rq)->dl;
>
> - dl_rq->dl_nr_total++;
> if (p->nr_cpus_allowed > 1)
> dl_rq->dl_nr_migratory++;
>
> @@ -149,7 +148,6 @@ static void dec_dl_migration(struct sched_dl_entity
> *dl_se, struct dl_rq *dl_rq)
> struct task_struct *p = dl_task_of(dl_se);
> dl_rq = &rq_of_dl_rq(dl_rq)->dl;
>
> - dl_rq->dl_nr_total--;
> if (p->nr_cpus_allowed > 1)
> dl_rq->dl_nr_migratory--;
>
> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
> index 1bf34c2..6a00804 100644
> --- a/kernel/sched/sched.h
> +++ b/kernel/sched/sched.h
> @@ -444,7 +444,6 @@ struct dl_rq {
> } earliest_dl;
>
> unsigned long dl_nr_migratory;
> - unsigned long dl_nr_total;
> int overloaded;
>
> /*
>
--
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