--- a/mm/memory_hotplug.c~mm-memory_hotplug-fix-kerneldoc-comment-for-__try_online_node +++ a/mm/memory_hotplug.c @@ -942,8 +942,8 @@ static void rollback_node_hotadd(int nid } -/** - * try_online_node - online a node if offlined +/* + * __try_online_node - online a node if offlined * @nid: the node ID * @set_node_online: Whether we want to online the node * called by cpu_up() to online a node without onlined memory.