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sched: Remove 'cpu' parameter from idle_balance()

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The cpu parameter passed to idle_balance() is not needed as it could
be retrieved from 'struct rq.'

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: alex.shi@linaro.org
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1389949444-14821-1-git-send-email-daniel.lezcano@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Daniel Lezcano 2014-01-17 10:04:01 +01:00 committed by Ingo Molnar
parent d0ea026808
commit b4f2ab4361
3 changed files with 4 additions and 3 deletions
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2
kernel/sched/core.c
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@ -2705,7 +2705,7 @@ need_resched:
pre_schedule(rq, prev);
if (unlikely(!rq->nr_running))
idle_balance(cpu, rq);
idle_balance(rq);
put_prev_task(rq, prev);
next = pick_next_task(rq);

3
kernel/sched/fair.c
View file

@ -6531,12 +6531,13 @@ out:
* idle_balance is called by schedule() if this_cpu is about to become
* idle. Attempts to pull tasks from other CPUs.
*/
void idle_balance(int this_cpu, struct rq *this_rq)
void idle_balance(struct rq *this_rq)
{
struct sched_domain *sd;
int pulled_task = 0;
unsigned long next_balance = jiffies + HZ;
u64 curr_cost = 0;
int this_cpu = this_rq->cpu;
this_rq->idle_stamp = rq_clock(this_rq);

2
kernel/sched/sched.h
View file

@ -1158,7 +1158,7 @@ extern const struct sched_class idle_sched_class;
extern void update_group_power(struct sched_domain *sd, int cpu);
extern void trigger_load_balance(struct rq *rq);
extern void idle_balance(int this_cpu, struct rq *this_rq);
extern void idle_balance(struct rq *this_rq);
extern void idle_enter_fair(struct rq *this_rq);
extern void idle_exit_fair(struct rq *this_rq);