linux-kernel - [PATCH] sched/rt: Fix -Wmissing-prototypes warnings

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Date:   Tue, 13 Nov 2018 08:54:34 +0800
From:   Yi Wang <wang.yi59@....com.cn>
To:     mingo@...hat.com
Cc:     peterz@...radead.org, bp@...e.de, linux-kernel@...r.kernel.org,
        zhong.weidong@....com.cn, Yi Wang <wang.yi59@....com.cn>
Subject: [PATCH] sched/rt: Fix -Wmissing-prototypes warnings

We get a warning when building kernel with W=1:
kernel/sched/rt.c:626:6: warning: no previous prototype for ‘sched_rt_bandwidth_account’ [-Wmissing-prototypes]
 bool sched_rt_bandwidth_account(struct rt_rq *rt_rq)

Add the missing declaration to fix this.

Signed-off-by: Yi Wang <wang.yi59@....com.cn>
---
 kernel/sched/sched.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 618577f..f5f29fc 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -442,6 +442,7 @@ extern void init_tg_cfs_entry(struct task_group *tg, struct cfs_rq *cfs_rq,
 
 extern void free_rt_sched_group(struct task_group *tg);
 extern int alloc_rt_sched_group(struct task_group *tg, struct task_group *parent);
+extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq);
 extern void init_tg_rt_entry(struct task_group *tg, struct rt_rq *rt_rq,
 		struct sched_rt_entity *rt_se, int cpu,
 		struct sched_rt_entity *parent);
-- 
1.8.3.1