- * At this point, we want to delete all nodes in shadow_nodes
- * (except the last one, which is either the root or the parent
- * of the upmost node with 1 child). OK to as to free lock here,
- * because RCU read lock is held, and free only performed in
- * call_rcu.
+ * At this point, we want to delete all nodes that are about to
+ * be removed from shadow_nodes (except the last one, which is
+ * either the root or the parent of the upmost node with 1
+ * child). OK to as to free lock here, because RCU read lock is
+ * held, and free only performed in call_rcu.