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sched: Pass 'struct rq' to on_null_domain() 

The on_null_domain() function is getting the cpu to retrieve the struct rq
associated with it.

Pass 'struct rq' directly to the function as the caller already has the info.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1389008085-9069-4-git-send-email-daniel.lezcano@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Daniel Lezcano 2014-01-06 12:34:40 +01:00 committed by Ingo Molnar
parent 4a725627f2
commit 63f609b160
1 changed files with 4 additions and 4 deletions
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8
kernel/sched/fair.c
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@ -6868,9 +6868,9 @@ 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);
}
/*
@ -6882,10 +6882,10 @@ 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
}