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()
609 static void online_pages_range(unsigned long start_pfn, unsigned long nr_pages)  in online_pages_range()  argument
611 	const unsigned long end_pfn = start_pfn + nr_pages;  in online_pages_range()
620 	for (pfn = start_pfn; pfn < end_pfn; pfn += MAX_ORDER_NR_PAGES)  in online_pages_range()
624 	online_mem_sections(start_pfn, end_pfn);  in online_pages_range()
659 static void __meminit resize_zone_range(struct zone *zone, unsigned long start_pfn,  in resize_zone_range()  argument
664 	if (zone_is_empty(zone) || start_pfn < zone->zone_start_pfn)  in resize_zone_range()
665 		zone->zone_start_pfn = start_pfn;  in resize_zone_range()
667 	zone->spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - zone->zone_start_pfn;  in resize_zone_range()
670 static void __meminit resize_pgdat_range(struct pglist_data *pgdat, unsigned long start_pfn,  in resize_pgdat_range()  argument
675 	if (!pgdat->node_spanned_pages || start_pfn < pgdat->node_start_pfn)  in resize_pgdat_range()
676 		pgdat->node_start_pfn = start_pfn;  in resize_pgdat_range()
678 	pgdat->node_spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - pgdat->node_start_pfn;  in resize_pgdat_range()
690 void __ref move_pfn_range_to_zone(struct zone *zone, unsigned long start_pfn,  in move_pfn_range_to_zone()  argument
704 		init_currently_empty_zone(zone, start_pfn, nr_pages);  in move_pfn_range_to_zone()
705 	resize_zone_range(zone, start_pfn, nr_pages);  in move_pfn_range_to_zone()
707 	resize_pgdat_range(pgdat, start_pfn, nr_pages);  in move_pfn_range_to_zone()
716 	memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn, 0,  in move_pfn_range_to_zone()
727 static struct zone *default_kernel_zone_for_pfn(int nid, unsigned long start_pfn,  in default_kernel_zone_for_pfn()  argument
736 		if (zone_intersects(zone, start_pfn, nr_pages))  in default_kernel_zone_for_pfn()
743 static inline struct zone *default_zone_for_pfn(int nid, unsigned long start_pfn,  in default_zone_for_pfn()  argument
746 	struct zone *kernel_zone = default_kernel_zone_for_pfn(nid, start_pfn,  in default_zone_for_pfn()
749 	bool in_kernel = zone_intersects(kernel_zone, start_pfn, nr_pages);  in default_zone_for_pfn()
750 	bool in_movable = zone_intersects(movable_zone, start_pfn, nr_pages);  in default_zone_for_pfn()
768 		unsigned long start_pfn, unsigned long nr_pages)  in zone_for_pfn_range()  argument
771 		return default_kernel_zone_for_pfn(nid, start_pfn, nr_pages);  in zone_for_pfn_range()
776 	return default_zone_for_pfn(nid, start_pfn, nr_pages);  in zone_for_pfn_range()
799 	arg.start_pfn = pfn;  in online_pages()
1233 struct zone *test_pages_in_a_zone(unsigned long start_pfn,  in test_pages_in_a_zone()  argument
1240 	for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn + 1);  in test_pages_in_a_zone()
1320 do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)  in do_migrate_range()  argument
1329 	for (pfn = start_pfn; pfn < end_pfn; pfn++) {  in do_migrate_range()
1493 static int count_system_ram_pages_cb(unsigned long start_pfn,  in count_system_ram_pages_cb()  argument
1502 int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages)  in offline_pages()  argument
1504 	const unsigned long end_pfn = start_pfn + nr_pages;  in offline_pages()
1514 			 !IS_ALIGNED(start_pfn | nr_pages, PAGES_PER_SECTION)))  in offline_pages()
1527 	walk_system_ram_range(start_pfn, nr_pages, &system_ram_pages,  in offline_pages()
1537 	zone = test_pages_in_a_zone(start_pfn, end_pfn);  in offline_pages()
1547 	ret = start_isolate_page_range(start_pfn, end_pfn,  in offline_pages()
1557 	arg.start_pfn = start_pfn;  in offline_pages()
1569 		pfn = start_pfn;  in offline_pages()
1599 		ret = dissolve_free_huge_pages(start_pfn, end_pfn);  in offline_pages()
1616 		ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE, NULL);  in offline_pages()
1622 	__offline_isolated_pages(start_pfn, end_pfn);  in offline_pages()
1636 	adjust_managed_page_count(pfn_to_page(start_pfn), -nr_pages);  in offline_pages()
1660 	remove_pfn_range_from_zone(zone, start_pfn, nr_pages);  in offline_pages()
1665 	undo_isolate_page_range(start_pfn, end_pfn, MIGRATE_MOVABLE);  in offline_pages()
1671 		 (unsigned long long) start_pfn << PAGE_SHIFT,  in offline_pages()