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.
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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