1 files changed, 4 insertions, 4 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c1808606ee5f..e85cda20ab2b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2660,6 +2660,7 @@ asmlinkage void __sched notrace preempt_schedule(void)
         } while (need_resched());
 }
 EXPORT_SYMBOL(preempt_schedule);
+#endif /* CONFIG_PREEMPT */
 
 /*
  * this is the entry point to schedule() from kernel preemption
@@ -2693,8 +2694,6 @@ asmlinkage void __sched preempt_schedule_irq(void)
         exception_exit(prev_state);
 }
 
-#endif /* CONFIG_PREEMPT */
-
 int default_wake_function(wait_queue_t *curr, unsigned mode, int wake_flags,
                           void *key)
 {
@@ -4762,7 +4761,7 @@ static void rq_attach_root(struct rq *rq, struct root_domain *rd)
                 cpumask_clear_cpu(rq->cpu, old_rd->span);
 
                 /*
-                 * If we dont want to free the old_rt yet then
+                 * If we dont want to free the old_rd yet then
                  * set old_rd to NULL to skip the freeing later
                  * in this function:
                  */
@@ -4910,8 +4909,9 @@ static void update_top_cache_domain(int cpu)
         if (sd) {
                 id = cpumask_first(sched_domain_span(sd));
                 size = cpumask_weight(sched_domain_span(sd));
-                rcu_assign_pointer(per_cpu(sd_busy, cpu), sd->parent);
+                sd = sd->parent; /* sd_busy */
         }
+        rcu_assign_pointer(per_cpu(sd_busy, cpu), sd);
 
         rcu_assign_pointer(per_cpu(sd_llc, cpu), sd);
         per_cpu(sd_llc_size, cpu) = size;