377 static int __meminit online_page_ext(unsigned long start_pfn,  in online_page_ext()  argument
384 	start = SECTION_ALIGN_DOWN(start_pfn);  in online_page_ext()
385 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in online_page_ext()
393 		nid = pfn_to_nid(start_pfn);  in online_page_ext()
409 static int __meminit offline_page_ext(unsigned long start_pfn,  in offline_page_ext()  argument
414 	start = SECTION_ALIGN_DOWN(start_pfn);  in offline_page_ext()
415 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in offline_page_ext()
445 		ret = online_page_ext(mn->start_pfn,  in page_ext_callback()
449 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
453 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
477 		unsigned long start_pfn, end_pfn;  in page_ext_init()  local
479 		start_pfn = node_start_pfn(nid);  in page_ext_init()
486 		for (pfn = start_pfn; pfn < end_pfn;  in page_ext_init()