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| author |   Juri Lelli <juri.lelli@arm.com> | 2015-09-02 11:01:36 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2015-09-23 09:51:26 +0200 |
| commit | 269b26a5ef2b10bf15f66524fa47d81c1b4dc1a1 (patch) | |
| tree | 35b4e4004c3eb45cd18cf1ddf4d96d0eed92d1fb /kernel/sched | |
| parent | sched/deadline, locking/rtmutex: Fix open coded check in rt_mutex_waiter_less() (diff) | |
| download | linux-dev-269b26a5ef2b10bf15f66524fa47d81c1b4dc1a1.tar.xz linux-dev-269b26a5ef2b10bf15f66524fa47d81c1b4dc1a1.zip | |
sched/rt: Make (do_)balance_runtime() return void
The return value of (do_)balance_runtime() is not consumed by anybody.
Make them return void.
Signed-off-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1441188096-23021-5-git-send-email-juri.lelli@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/rt.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index d2ea59364a1c..e3cc16312046 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -635,11 +635,11 @@ bool sched_rt_bandwidth_account(struct rt_rq *rt_rq) /* * We ran out of runtime, see if we can borrow some from our neighbours. */ -static int do_balance_runtime(struct rt_rq *rt_rq) +static void do_balance_runtime(struct rt_rq *rt_rq) { struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq); struct root_domain *rd = rq_of_rt_rq(rt_rq)->rd; - int i, weight, more = 0; + int i, weight; u64 rt_period; weight = cpumask_weight(rd->span); @@ -673,7 +673,6 @@ static int do_balance_runtime(struct rt_rq *rt_rq) diff = rt_period - rt_rq->rt_runtime; iter->rt_runtime -= diff; rt_rq->rt_runtime += diff; - more = 1; if (rt_rq->rt_runtime == rt_period) { raw_spin_unlock(&iter->rt_runtime_lock); break; @@ -683,8 +682,6 @@ next: raw_spin_unlock(&iter->rt_runtime_lock); } raw_spin_unlock(&rt_b->rt_runtime_lock); - - return more; } /* @@ -796,26 +793,19 @@ static void __enable_runtime(struct rq *rq) } } -static int balance_runtime(struct rt_rq *rt_rq) +static void balance_runtime(struct rt_rq *rt_rq) { - int more = 0; - if (!sched_feat(RT_RUNTIME_SHARE)) - return more; + return; if (rt_rq->rt_time > rt_rq->rt_runtime) { raw_spin_unlock(&rt_rq->rt_runtime_lock); - more = do_balance_runtime(rt_rq); + do_balance_runtime(rt_rq); raw_spin_lock(&rt_rq->rt_runtime_lock); } - - return more; } #else /* !CONFIG_SMP */ -static inline int balance_runtime(struct rt_rq *rt_rq) -{ - return 0; -} +static inline void balance_runtime(struct rt_rq *rt_rq) {} #endif /* CONFIG_SMP */ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun) |