[tip: sched/core] sched: Fix -Wmissing-prototype

[tip-bot2 for Peter Zijlstra]

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     98a3270911f7abe2871a60799c20c95c9f991ddb
Gitweb:        https://git.kernel.org/tip/98a3270911f7abe2871a60799c20c95c9f991ddb
Author:        Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate:    Mon, 13 Sep 2021 15:27:44 +02:00
Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Wed, 15 Sep 2021 17:49:00 +02:00

sched: Fix -Wmissing-prototype

  kernel/sched/fair.c:5403:6: warning: no previous prototype for ‘init_cfs_bandwidth’ [-Wmissing-prototypes]
  kernel/sched/fair.c:11525:6: warning: no previous prototype for ‘free_fair_sched_group’ [-Wmissing-prototypes]
  kernel/sched/fair.c:11527:5: warning: no previous prototype for ‘alloc_fair_sched_group’ [-Wmissing-prototypes]
  kernel/sched/fair.c:11532:6: warning: no previous prototype for ‘online_fair_sched_group’ [-Wmissing-prototypes]
  kernel/sched/fair.c:11534:6: warning: no previous prototype for ‘unregister_fair_sched_group’ [-Wmissing-prototypes]

  kernel/sched/rt.c:253:6: warning: no previous prototype for ‘free_rt_sched_group’ [-Wmissing-prototypes]
  kernel/sched/rt.c:255:5: warning: no previous prototype for ‘alloc_rt_sched_group’ [-Wmissing-prototypes]
  kernel/sched/rt.c:669:6: warning: no previous prototype for ‘sched_rt_bandwidth_account’ [-Wmissing-prototypes]

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 kernel/sched/deadline.c |  2 --
 kernel/sched/fair.c     | 15 ---------------
 kernel/sched/rt.c       |  6 ------
 kernel/sched/sched.h    |  2 ++
 4 files changed, 2 insertions(+), 23 deletions(-)

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index d2c072b..29dd188 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1191,8 +1191,6 @@ int dl_runtime_exceeded(struct sched_dl_entity *dl_se)
 	return (dl_se->runtime <= 0);
 }
 
-extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq);
-
 /*
  * This function implements the GRUB accounting rule:
  * according to the GRUB reclaiming algorithm, the runtime is
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e26d622..9571254 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5408,8 +5408,6 @@ static inline int throttled_lb_pair(struct task_group *tg,
 	return 0;
 }
 
-void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b) {}
-
 #ifdef CONFIG_FAIR_GROUP_SCHED
 static void init_cfs_rq_runtime(struct cfs_rq *cfs_rq) {}
 #endif
@@ -11562,19 +11560,6 @@ next_cpu:
 	return 0;
 }
 
-#else /* CONFIG_FAIR_GROUP_SCHED */
-
-void free_fair_sched_group(struct task_group *tg) { }
-
-int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
-{
-	return 1;
-}
-
-void online_fair_sched_group(struct task_group *tg) { }
-
-void unregister_fair_sched_group(struct task_group *tg) { }
-
 #endif /* CONFIG_FAIR_GROUP_SCHED */
 
 
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index bb945f8..929fb37 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -250,12 +250,6 @@ static inline struct rt_rq *rt_rq_of_se(struct sched_rt_entity *rt_se)
 	return &rq->rt;
 }
 
-void free_rt_sched_group(struct task_group *tg) { }
-
-int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent)
-{
-	return 1;
-}
 #endif /* CONFIG_RT_GROUP_SCHED */
 
 #ifdef CONFIG_SMP
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 094ea86..1d8bc76 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -3065,3 +3065,5 @@ extern int sched_dynamic_mode(const char *str);
 extern void sched_dynamic_update(int mode);
 #endif
 
+extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq);
+