391 static int __meminit online_page_ext(unsigned long start_pfn,  in online_page_ext()  argument
398 	start = SECTION_ALIGN_DOWN(start_pfn);  in online_page_ext()
399 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in online_page_ext()
407 		nid = pfn_to_nid(start_pfn);  in online_page_ext()
423 static int __meminit offline_page_ext(unsigned long start_pfn,  in offline_page_ext()  argument
428 	start = SECTION_ALIGN_DOWN(start_pfn);  in offline_page_ext()
429 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in offline_page_ext()
459 		ret = online_page_ext(mn->start_pfn,  in page_ext_callback()
463 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
467 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
489 		unsigned long start_pfn, end_pfn;  in page_ext_init()  local
491 		start_pfn = node_start_pfn(nid);  in page_ext_init()
498 		for (pfn = start_pfn; pfn < end_pfn;  in page_ext_init()