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authorDaniel Lezcano <daniel.lezcano@linaro.org>2014-01-06 12:34:40 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-13 13:47:28 +0100
commit63f609b160151c9e86b26b935c9671a23afe299f (patch)
tree7243e53e90727e657bbadf64533b1e70a5c7946e /kernel/sched
parent4a725627f21df6b280a19f50bc849daaab3b1544 (diff)
downloadop-kernel-dev-63f609b160151c9e86b26b935c9671a23afe299f.zip
op-kernel-dev-63f609b160151c9e86b26b935c9671a23afe299f.tar.gz
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>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/fair.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c47b1ce..fc0afc5 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -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
}
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