diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c
index 1e00bfac..cdd3c89 100644
--- a/kernel/sched_cpupri.c
+++ b/kernel/sched_cpupri.c
@@ -55,7 +55,7 @@
  * cpupri_find - find the best (lowest-pri) CPU in the system
  * @cp: The cpupri context
  * @p: The task
- * @lowest_mask: A mask to fill in with selected CPUs
+ * @lowest_mask: A mask to fill in with selected CPUs (or NULL)
  *
  * Note: This function returns the recommended CPUs as calculated during the
  * current invokation.  By the time the call returns, the CPUs may have in
@@ -81,7 +81,8 @@
 		if (cpumask_any_and(&p->cpus_allowed, vec->mask) >= nr_cpu_ids)
 			continue;
 
-		cpumask_and(lowest_mask, &p->cpus_allowed, vec->mask);
+		if (lowest_mask)
+			cpumask_and(lowest_mask, &p->cpus_allowed, vec->mask);
 		return 1;
 	}
 
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index bac1061..fbec5a5 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -805,20 +805,15 @@
 
 static void check_preempt_equal_prio(struct rq *rq, struct task_struct *p)
 {
-	cpumask_var_t mask;
-
 	if (rq->curr->rt.nr_cpus_allowed == 1)
 		return;
 
-	if (!alloc_cpumask_var(&mask, GFP_ATOMIC))
+	if (p->rt.nr_cpus_allowed != 1
+	    && cpupri_find(&rq->rd->cpupri, p, NULL))
 		return;
 
-	if (p->rt.nr_cpus_allowed != 1
-	    && cpupri_find(&rq->rd->cpupri, p, mask))
-		goto free;
-
-	if (!cpupri_find(&rq->rd->cpupri, rq->curr, mask))
-		goto free;
+	if (!cpupri_find(&rq->rd->cpupri, rq->curr, NULL))
+		return;
 
 	/*
 	 * There appears to be other cpus that can accept
@@ -827,8 +822,6 @@
 	 */
 	requeue_task_rt(rq, p, 1);
 	resched_task(rq->curr);
-free:
-	free_cpumask_var(mask);
 }
 
 #endif /* CONFIG_SMP */