4dc8207bfd45 ("drivers/base/memory: store mapping between MMOP_* and string in an array")
956f8b445061 ("drivers/base/memory: rename MMOP_ONLINE_KEEP to MMOP_ONLINE")
381eab4a6ee8 ("mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock")