172 static void register_page_bootmem_info_section(unsigned long start_pfn)  in register_page_bootmem_info_section()  argument
179 	section_nr = pfn_to_section_nr(start_pfn);  in register_page_bootmem_info_section()
207 static void register_page_bootmem_info_section(unsigned long start_pfn)  in register_page_bootmem_info_section()  argument
214 	section_nr = pfn_to_section_nr(start_pfn);  in register_page_bootmem_info_section()
355 				     unsigned long start_pfn,  in find_smallest_section_pfn()  argument
358 	for (; start_pfn < end_pfn; start_pfn += PAGES_PER_SUBSECTION) {  in find_smallest_section_pfn()
359 		if (unlikely(!pfn_to_online_page(start_pfn)))  in find_smallest_section_pfn()
362 		if (unlikely(pfn_to_nid(start_pfn) != nid))  in find_smallest_section_pfn()
365 		if (zone != page_zone(pfn_to_page(start_pfn)))  in find_smallest_section_pfn()
368 		return start_pfn;  in find_smallest_section_pfn()
376 				    unsigned long start_pfn,  in find_biggest_section_pfn()  argument
383 	for (; pfn >= start_pfn; pfn -= PAGES_PER_SUBSECTION) {  in find_biggest_section_pfn()
399 static void shrink_zone_span(struct zone *zone, unsigned long start_pfn,  in shrink_zone_span()  argument
406 	if (zone->zone_start_pfn == start_pfn) {  in shrink_zone_span()
430 					       start_pfn);  in shrink_zone_span()
471 				      unsigned long start_pfn,  in remove_pfn_range_from_zone()  argument
474 	const unsigned long end_pfn = start_pfn + nr_pages;  in remove_pfn_range_from_zone()
479 	for (pfn = start_pfn; pfn < end_pfn; pfn += cur_nr_pages) {  in remove_pfn_range_from_zone()
502 	shrink_zone_span(zone, start_pfn, start_pfn + nr_pages);  in remove_pfn_range_from_zone()
610 static void online_pages_range(unsigned long start_pfn, unsigned long nr_pages)  in online_pages_range()  argument
612 	const unsigned long end_pfn = start_pfn + nr_pages;  in online_pages_range()
621 	for (pfn = start_pfn; pfn < end_pfn; pfn += MAX_ORDER_NR_PAGES)  in online_pages_range()
625 	online_mem_sections(start_pfn, end_pfn);  in online_pages_range()
660 static void __meminit resize_zone_range(struct zone *zone, unsigned long start_pfn,  in resize_zone_range()  argument
665 	if (zone_is_empty(zone) || start_pfn < zone->zone_start_pfn)  in resize_zone_range()
666 		zone->zone_start_pfn = start_pfn;  in resize_zone_range()
668 	zone->spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - zone->zone_start_pfn;  in resize_zone_range()
671 static void __meminit resize_pgdat_range(struct pglist_data *pgdat, unsigned long start_pfn,  in resize_pgdat_range()  argument
676 	if (!pgdat->node_spanned_pages || start_pfn < pgdat->node_start_pfn)  in resize_pgdat_range()
677 		pgdat->node_start_pfn = start_pfn;  in resize_pgdat_range()
679 	pgdat->node_spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - pgdat->node_start_pfn;  in resize_pgdat_range()
691 void __ref move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,  in move_pfn_range_to_zone()  argument
705 		init_currently_empty_zone(zone, start_pfn, nr_pages);  in move_pfn_range_to_zone()
706 	resize_zone_range(zone, start_pfn, nr_pages);  in move_pfn_range_to_zone()
708 	resize_pgdat_range(pgdat, start_pfn, nr_pages);  in move_pfn_range_to_zone()
717 	memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn,  in move_pfn_range_to_zone()
728 static struct zone *default_kernel_zone_for_pfn(int nid, unsigned long start_pfn,  in default_kernel_zone_for_pfn()  argument
737 		if (zone_intersects(zone, start_pfn, nr_pages))  in default_kernel_zone_for_pfn()
744 static inline struct zone *default_zone_for_pfn(int nid, unsigned long start_pfn,  in default_zone_for_pfn()  argument
747 	struct zone *kernel_zone = default_kernel_zone_for_pfn(nid, start_pfn,  in default_zone_for_pfn()
750 	bool in_kernel = zone_intersects(kernel_zone, start_pfn, nr_pages);  in default_zone_for_pfn()
751 	bool in_movable = zone_intersects(movable_zone, start_pfn, nr_pages);  in default_zone_for_pfn()
768 struct zone * zone_for_pfn_range(int online_type, int nid, unsigned start_pfn,  in zone_for_pfn_range()  argument
772 		return default_kernel_zone_for_pfn(nid, start_pfn, nr_pages);  in zone_for_pfn_range()
777 	return default_zone_for_pfn(nid, start_pfn, nr_pages);  in zone_for_pfn_range()
800 	arg.start_pfn = pfn;  in online_pages()
1189 struct zone *test_pages_in_a_zone(unsigned long start_pfn,  in test_pages_in_a_zone()  argument
1196 	for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn + 1);  in test_pages_in_a_zone()
1276 do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)  in do_migrate_range()  argument
1283 	for (pfn = start_pfn; pfn < end_pfn; pfn++) {  in do_migrate_range()
1443 static int count_system_ram_pages_cb(unsigned long start_pfn,  in count_system_ram_pages_cb()  argument
1452 int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages)  in offline_pages()  argument
1454 	const unsigned long end_pfn = start_pfn + nr_pages;  in offline_pages()
1464 			 !IS_ALIGNED(start_pfn | nr_pages, PAGES_PER_SECTION)))  in offline_pages()
1477 	walk_system_ram_range(start_pfn, nr_pages, &system_ram_pages,  in offline_pages()
1487 	zone = test_pages_in_a_zone(start_pfn, end_pfn);  in offline_pages()
1496 	ret = start_isolate_page_range(start_pfn, end_pfn,  in offline_pages()
1504 	arg.start_pfn = start_pfn;  in offline_pages()
1516 		pfn = start_pfn;  in offline_pages()
1547 		ret = dissolve_free_huge_pages(start_pfn, end_pfn);  in offline_pages()
1565 		ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE);  in offline_pages()
1571 	__offline_isolated_pages(start_pfn, end_pfn);  in offline_pages()
1584 	adjust_managed_page_count(pfn_to_page(start_pfn), -nr_pages);  in offline_pages()
1608 	remove_pfn_range_from_zone(zone, start_pfn, nr_pages);  in offline_pages()
1613 	undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);  in offline_pages()
1617 		 (unsigned long long) start_pfn << PAGE_SHIFT,  in offline_pages()