275 static int __meminit online_page_ext(unsigned long start_pfn,  in online_page_ext()  argument
282 	start = SECTION_ALIGN_DOWN(start_pfn);  in online_page_ext()
283 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in online_page_ext()
291 		nid = pfn_to_nid(start_pfn);  in online_page_ext()
310 static int __meminit offline_page_ext(unsigned long start_pfn,  in offline_page_ext()  argument
315 	start = SECTION_ALIGN_DOWN(start_pfn);  in offline_page_ext()
316 	end = SECTION_ALIGN_UP(start_pfn + nr_pages);  in offline_page_ext()
332 		ret = online_page_ext(mn->start_pfn,  in page_ext_callback()
336 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
340 		offline_page_ext(mn->start_pfn,  in page_ext_callback()
364 		unsigned long start_pfn, end_pfn;  in page_ext_init()  local
366 		start_pfn = node_start_pfn(nid);  in page_ext_init()
373 		for (pfn = start_pfn; pfn < end_pfn;  in page_ext_init()