- * From this point, we should be able to find a "lower than"
- * match. The only reason why we could fail to find such a match
- * would be due to a concurrent removal of the branch that
- * contains the match. If this happens, we have no choice but to
- * retry the entire lookup. Indeed, just because we reached a
- * dead-end due to concurrent removal of the branch does not
- * mean that other match don't exist. However, this requires
- * going up into the tree, hence the retry.
+ * From this point, we are guaranteed to be able to find a
+ * "lower than" match. ja_detach_node() guarantees that it is
+ * not possible for a lookup to reach a dead-end.