222 	unsigned long i, pfn, end_pfn, nr_pages;  in register_page_bootmem_info_node()  local
226 	nr_pages = PAGE_ALIGN(sizeof(struct pglist_data)) >> PAGE_SHIFT;  in register_page_bootmem_info_node()
229 	for (i = 0; i < nr_pages; i++, page++)  in register_page_bootmem_info_node()
274 		unsigned long nr_pages, struct vmem_altmap *altmap,  in __add_pages()  argument
283 	end_sec = pfn_to_section_nr(phys_start_pfn + nr_pages - 1);  in __add_pages()
290 				|| vmem_altmap_offset(altmap) > nr_pages) {  in __add_pages()
508 	int nr_pages = PAGES_PER_SECTION;  in __remove_zone()  local
512 	shrink_zone_span(zone, start_pfn, start_pfn + nr_pages);  in __remove_zone()
513 	shrink_pgdat_span(pgdat, start_pfn, start_pfn + nr_pages);  in __remove_zone()
552 		 unsigned long nr_pages, struct vmem_altmap *altmap)  in __remove_pages()  argument
566 		size = nr_pages * PAGE_SIZE;  in __remove_pages()
584 	BUG_ON(nr_pages % PAGES_PER_SECTION);  in __remove_pages()
586 	sections_to_remove = nr_pages / PAGES_PER_SECTION;  in __remove_pages()
665 static int online_pages_range(unsigned long start_pfn, unsigned long nr_pages,  in online_pages_range()  argument
673 		for (i = 0; i < nr_pages; i++) {  in online_pages_range()
679 	online_mem_sections(start_pfn, start_pfn + nr_pages);  in online_pages_range()
686 static void node_states_check_changes_online(unsigned long nr_pages,  in node_states_check_changes_online()  argument
760 		unsigned long nr_pages)  in resize_zone_range()  argument
767 	zone->spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - zone->zone_start_pfn;  in resize_zone_range()
771                                      unsigned long nr_pages)  in resize_pgdat_range()  argument
778 	pgdat->node_spanned_pages = max(start_pfn + nr_pages, old_end_pfn) - pgdat->node_start_pfn;  in resize_pgdat_range()
782 		unsigned long nr_pages, struct vmem_altmap *altmap)  in move_pfn_range_to_zone()  argument
789 		init_currently_empty_zone(zone, start_pfn, nr_pages);  in move_pfn_range_to_zone()
796 	resize_zone_range(zone, start_pfn, nr_pages);  in move_pfn_range_to_zone()
798 	resize_pgdat_range(pgdat, start_pfn, nr_pages);  in move_pfn_range_to_zone()
807 	memmap_init_zone(nr_pages, nid, zone_idx(zone), start_pfn,  in move_pfn_range_to_zone()
819 		unsigned long nr_pages)  in default_kernel_zone_for_pfn()  argument
827 		if (zone_intersects(zone, start_pfn, nr_pages))  in default_kernel_zone_for_pfn()
835 		unsigned long nr_pages)  in default_zone_for_pfn()  argument
838 			nr_pages);  in default_zone_for_pfn()
840 	bool in_kernel = zone_intersects(kernel_zone, start_pfn, nr_pages);  in default_zone_for_pfn()
841 	bool in_movable = zone_intersects(movable_zone, start_pfn, nr_pages);  in default_zone_for_pfn()
859 		unsigned long nr_pages)  in zone_for_pfn_range()  argument
862 		return default_kernel_zone_for_pfn(nid, start_pfn, nr_pages);  in zone_for_pfn_range()
867 	return default_zone_for_pfn(nid, start_pfn, nr_pages);  in zone_for_pfn_range()
875 		unsigned long start_pfn, unsigned long nr_pages)  in move_pfn_range()  argument
879 	zone = zone_for_pfn_range(online_type, nid, start_pfn, nr_pages);  in move_pfn_range()
880 	move_pfn_range_to_zone(zone, start_pfn, nr_pages, NULL);  in move_pfn_range()
885 int __ref online_pages(unsigned long pfn, unsigned long nr_pages, int online_type)  in online_pages()  argument
904 	zone = move_pfn_range(online_type, nid, pfn, nr_pages);  in online_pages()
907 	arg.nr_pages = nr_pages;  in online_pages()
908 	node_states_check_changes_online(nr_pages, zone, &arg);  in online_pages()
925 	ret = walk_system_ram_range(pfn, nr_pages, &onlined_pages,  in online_pages()
965 		 (((unsigned long long) pfn + nr_pages) << PAGE_SHIFT) - 1);  in online_pages()
1095 	u64 nr_pages = size >> PAGE_SHIFT;  in check_hotplug_memory_range()  local
1099 	if (!nr_pages || !IS_ALIGNED(start_pfn, block_nr_pages) ||  in check_hotplug_memory_range()
1100 	    !IS_ALIGNED(nr_pages, block_nr_pages)) {  in check_hotplug_memory_range()
1256 bool is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages)  in is_mem_section_removable()  argument
1259 	struct page *end_page = page + nr_pages;  in is_mem_section_removable()
1448 offline_isolated_pages_cb(unsigned long start, unsigned long nr_pages,  in offline_isolated_pages_cb()  argument
1451 	__offline_isolated_pages(start, start + nr_pages);  in offline_isolated_pages_cb()
1466 check_pages_isolated_cb(unsigned long start_pfn, unsigned long nr_pages,  in check_pages_isolated_cb()  argument
1471 	ret = test_pages_isolated(start_pfn, start_pfn + nr_pages, true);  in check_pages_isolated_cb()
1472 	offlined = nr_pages;  in check_pages_isolated_cb()
1503 static void node_states_check_changes_offline(unsigned long nr_pages,  in node_states_check_changes_offline()  argument
1531 	if (zone_idx(zone) <= zone_last && nr_pages >= present_pages)  in node_states_check_changes_offline()
1552 	if (zone_idx(zone) <= zone_last && nr_pages >= present_pages)  in node_states_check_changes_offline()
1573 	if (nr_pages >= present_pages)  in node_states_check_changes_offline()
1596 	unsigned long pfn, nr_pages;  in __offline_pages()  local
1616 	nr_pages = end_pfn - start_pfn;  in __offline_pages()
1625 	arg.nr_pages = nr_pages;  in __offline_pages()
1626 	node_states_check_changes_offline(nr_pages, zone, &arg);  in __offline_pages()
1706 int offline_pages(unsigned long start_pfn, unsigned long nr_pages)  in offline_pages()  argument
1708 	return __offline_pages(start_pfn, start_pfn + nr_pages);  in offline_pages()