249 static int __meminit __add_section(int nid, unsigned long phys_start_pfn,  in __add_section()  argument
254 	if (pfn_valid(phys_start_pfn))  in __add_section()
257 	ret = sparse_add_one_section(NODE_DATA(nid), phys_start_pfn, altmap);  in __add_section()
264 	return hotplug_memory_register(nid, __pfn_to_section(phys_start_pfn));  in __add_section()
273 int __ref __add_pages(int nid, unsigned long phys_start_pfn,  in __add_pages()  argument
282 	start_sec = pfn_to_section_nr(phys_start_pfn);  in __add_pages()
283 	end_sec = pfn_to_section_nr(phys_start_pfn + nr_pages - 1);  in __add_pages()
289 		if (altmap->base_pfn != phys_start_pfn  in __add_pages()
551 int __remove_pages(struct zone *zone, unsigned long phys_start_pfn,  in __remove_pages()  argument
565 		start = phys_start_pfn << PAGE_SHIFT;  in __remove_pages()
583 	BUG_ON(phys_start_pfn & ~PAGE_SECTION_MASK);  in __remove_pages()
588 		unsigned long pfn = phys_start_pfn + i*PAGES_PER_SECTION;  in __remove_pages()