diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index f6b33c6962243ee54c955df76f77becf01a1f057..d3df02e76643c32a1017aa26a77acbfa4e7d298f 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1181,7 +1181,13 @@ static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,
 
 int current_cpuset_is_being_rebound(void)
 {
-	return task_cs(current) == cpuset_being_rebound;
+	int ret;
+
+	rcu_read_lock();
+	ret = task_cs(current) == cpuset_being_rebound;
+	rcu_read_unlock();
+
+	return ret;
 }
 
 static int update_relax_domain_level(struct cpuset *cs, s64 val)
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 284974230459728b2ec92f4afdc9e49a4e03ec21..9a3783ccff67aeb1ee2bfebb7ad7b5682048d6e5 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2145,7 +2145,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
 	} else
 		*new = *old;
 
-	rcu_read_lock();
 	if (current_cpuset_is_being_rebound()) {
 		nodemask_t mems = cpuset_mems_allowed(current);
 		if (new->flags & MPOL_F_REBINDING)
@@ -2153,7 +2152,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
 		else
 			mpol_rebind_policy(new, &mems, MPOL_REBIND_ONCE);
 	}
-	rcu_read_unlock();
 	atomic_set(&new->refcnt, 1);
 	return new;
 }