The on_null_domain function is getting the cpu to retrieve the struct rq
associated with it.
Pass the struct rq directly to the function as the caller has already the info.
Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
---
kernel/sched/fair.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4cb414a..82dd145 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -6861,9 +6861,9 @@ static void run_rebalance_domains(struct softirq_action
*h)
nohz_idle_balance(this_cpu, idle);
}
-static inline int on_null_domain(int cpu)
+static inline int on_null_domain(struct rq *rq)
{
- return !rcu_dereference_sched(cpu_rq(cpu)->sd);
+ return !rcu_dereference_sched(rq->sd);
}
/*
@@ -6875,10 +6875,10 @@ void trigger_load_balance(struct rq *rq)
/* Don't need to rebalance while attached to NULL domain */
if (time_after_eq(jiffies, rq->next_balance) &&
- likely(!on_null_domain(cpu)))
+ likely(!on_null_domain(rq)))
raise_softirq(SCHED_SOFTIRQ);
#ifdef CONFIG_NO_HZ_COMMON
- if (nohz_kick_needed(rq) && likely(!on_null_domain(cpu)))
+ if (nohz_kick_needed(rq) && likely(!on_null_domain(rq)))
nohz_balancer_kick(cpu);
#endif
}
--
1.7.9.5
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