2d1f649c7c08 ("mm/memory_hotplug: support memmap_on_memory when memmap is not aligned to pageblocks")
85a2b4b08f20 ("mm/memory_hotplug: allow architecture to override memmap on memory support check")
e3c2bfdd33a3 ("mm/memory_hotplug: allow memmap on memory hotplug request to fallback")