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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2014-01-06 12:34:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-13 13:47:27 +0100 |
| commit | 4a725627f21df6b280a19f50bc849daaab3b1544 (patch) | |
| tree | 196b776b9d62d5b572a3860397ad8fd00ffe23f0 /kernel | |
| parent | 7caff66f361c44d0fbc74ed1cfa60a357fc84cf2 (diff) | |
| download | blackbird-op-linux-4a725627f21df6b280a19f50bc849daaab3b1544.tar.gz blackbird-op-linux-4a725627f21df6b280a19f50bc849daaab3b1544.zip | |
sched: Reduce nohz_kick_needed() parameters
The cpu information is already stored in the struct rq, so no need to pass it
as parameter to the nohz_kick_needed function.
The caller of this function just called idle_cpu() before to fill the
rq->idle_balance field.
Use rq->cpu and rq->idle_balance.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1389008085-9069-3-git-send-email-daniel.lezcano@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
| -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 b35d32201617..c47b1ceeaae9 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6788,14 +6788,14 @@ end: * - For SD_ASYM_PACKING, if the lower numbered cpu's in the scheduler * domain span are idle. */ -static inline int nohz_kick_needed(struct rq *rq, int cpu) +static inline int nohz_kick_needed(struct rq *rq) { unsigned long now = jiffies; struct sched_domain *sd; struct sched_group_power *sgp; - int nr_busy; + int nr_busy, cpu = rq->cpu; - if (unlikely(idle_cpu(cpu))) + if (unlikely(rq->idle_balance)) return 0; /* @@ -6885,7 +6885,7 @@ void trigger_load_balance(struct rq *rq) likely(!on_null_domain(cpu))) raise_softirq(SCHED_SOFTIRQ); #ifdef CONFIG_NO_HZ_COMMON - if (nohz_kick_needed(rq, cpu) && likely(!on_null_domain(cpu))) + if (nohz_kick_needed(rq) && likely(!on_null_domain(cpu))) nohz_balancer_kick(cpu); #endif } |
