each registration and removal function is also available with a ``_nocalls``
suffix which does not invoke the provided callbacks if the invocation of the
callbacks is not desired. During the manual setup (or teardown) the functions
-``get_online_cpus()`` and ``put_online_cpus()`` should be used to inhibit CPU
+``cpus_read_lock()`` and ``cpus_read_unlock()`` should be used to inhibit CPU
hotplug operations.