diff --git a/fs/super.c b/fs/super.c
index efa6e48..743bb71 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -149,7 +149,7 @@
 	WARN_ON(!list_empty(&s->s_mounts));
 	kfree(s->s_subtype);
 	kfree(s->s_options);
-	kfree(s);
+	kfree_rcu(s, rcu);
 }
 
 /**
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b09e4e1..2ab8a67 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1330,6 +1330,7 @@
 	 */
 	struct list_lru		s_dentry_lru ____cacheline_aligned_in_smp;
 	struct list_lru		s_inode_lru ____cacheline_aligned_in_smp;
+	struct rcu_head		rcu;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);