'cpu' variable is only used to acquire the current runqueue.
By using this_rq() instead, we can get rid of that variable.
Cc: Oleg Nesterov <o...@redhat.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Signed-off-by: Alexander Gordeev <agord...@redhat.com>
---
kernel/sched/core.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 4e56a4d..82206f0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3205,10 +3205,8 @@ static void __sched notrace __schedule(bool preempt)
struct task_struct *prev, *next;
unsigned long *switch_count;
struct rq *rq;
- int cpu;
- cpu = smp_processor_id();
- rq = cpu_rq(cpu);
+ rq = this_rq();
prev = rq->curr;
/*
@@ -3280,7 +3278,6 @@ static void __sched notrace __schedule(bool preempt)
trace_sched_switch(preempt, prev, next);
rq = context_switch(rq, prev, next); /* unlocks the rq */
- cpu = cpu_of(rq);
} else {
lockdep_unpin_lock(&rq->lock);
raw_spin_unlock_irq(&rq->lock);
--
1.8.3.1
