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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2014-01-06 12:34:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-13 13:47:28 +0100 |
| commit | 63f609b160151c9e86b26b935c9671a23afe299f (patch) | |
| tree | 7243e53e90727e657bbadf64533b1e70a5c7946e /kernel/sched | |
| parent | sched: Reduce nohz_kick_needed() parameters (diff) | |
| download | linux-63f609b160151c9e86b26b935c9671a23afe299f.tar.xz linux-63f609b160151c9e86b26b935c9671a23afe299f.zip | |
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.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c47b1ceeaae9..fc0afc55b4a6 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 } |