Commit-ID: b4f2ab43615e5b36c48fffa99f26aca381839ac6
Gitweb: http://git.kernel.org/tip/b4f2ab43615e5b36c48fffa99f26aca381839ac6
Author: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
AuthorDate: Fri, 17 Jan 2014 10:04:01 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 10 Feb 2014 16:17:01 +0100
sched: Remove 'cpu' parameter from idle_balance()
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@xxxxxxxxxx>
Cc: alex.shi@xxxxxxxxxx
Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1389949444-14821-1-git-send-email-daniel.lezcano@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/sched/core.c | 2 +-
kernel/sched/fair.c | 3 ++-
kernel/sched/sched.h | 2 +-
3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 104c816..74dd565 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -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);
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 4caa803..428bc9d 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -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);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index b44720d..82c0e02 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -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);
--
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