776 		return page->first_page;  in get_first_page()
881 static void free_zspage(struct page *first_page)  in free_zspage()  argument
885 	BUG_ON(!is_first_page(first_page));  in free_zspage()
886 	BUG_ON(first_page->inuse);  in free_zspage()
888 	head_extra = (struct page *)page_private(first_page);  in free_zspage()
890 	reset_page(first_page);  in free_zspage()
891 	__free_page(first_page);  in free_zspage()
907 static void init_zspage(struct page *first_page, struct size_class *class)  in init_zspage()  argument
910 	struct page *page = first_page;  in init_zspage()
912 	BUG_ON(!is_first_page(first_page));  in init_zspage()
925 		if (page != first_page)  in init_zspage()
955 	struct page *first_page = NULL, *uninitialized_var(prev_page);  in alloc_zspage()  local
980 			first_page = page;  in alloc_zspage()
981 			first_page->inuse = 0;  in alloc_zspage()
984 			set_page_private(first_page, (unsigned long)page);  in alloc_zspage()
986 			page->first_page = first_page;  in alloc_zspage()
994 	init_zspage(first_page, class);  in alloc_zspage()
996 	first_page->freelist = location_to_obj(first_page, 0);  in alloc_zspage()
998 	first_page->objects = class->pages_per_zspage * PAGE_SIZE / class->size;  in alloc_zspage()
1003 	if (unlikely(error) && first_page) {  in alloc_zspage()
1004 		free_zspage(first_page);  in alloc_zspage()
1005 		first_page = NULL;  in alloc_zspage()
1008 	return first_page;  in alloc_zspage()
1345 static unsigned long obj_malloc(struct page *first_page,  in obj_malloc()  argument
1356 	obj = (unsigned long)first_page->freelist;  in obj_malloc()
1362 	first_page->freelist = link->next;  in obj_malloc()
1368 		set_page_private(first_page, handle);  in obj_malloc()
1370 	first_page->inuse++;  in obj_malloc()
1390 	struct page *first_page;  in zs_malloc()  local
1404 	first_page = find_get_zspage(class);  in zs_malloc()
1406 	if (!first_page) {  in zs_malloc()
1408 		first_page = alloc_zspage(class, pool->flags);  in zs_malloc()
1409 		if (unlikely(!first_page)) {  in zs_malloc()
1414 		set_zspage_mapping(first_page, class->index, ZS_EMPTY);  in zs_malloc()
1423 	obj = obj_malloc(first_page, class, handle);  in zs_malloc()
1425 	fix_fullness_group(class, first_page);  in zs_malloc()
1437 	struct page *first_page, *f_page;  in obj_free()  local
1447 	first_page = get_first_page(f_page);  in obj_free()
1449 	get_zspage_mapping(first_page, &class_idx, &fullness);  in obj_free()
1456 	link->next = first_page->freelist;  in obj_free()
1458 		set_page_private(first_page, 0);  in obj_free()
1460 	first_page->freelist = (void *)obj;  in obj_free()
1461 	first_page->inuse--;  in obj_free()
1467 	struct page *first_page, *f_page;  in zs_free()  local
1479 	first_page = get_first_page(f_page);  in zs_free()
1481 	get_zspage_mapping(first_page, &class_idx, &fullness);  in zs_free()
1486 	fullness = fix_fullness_group(class, first_page);  in zs_free()
1492 		free_zspage(first_page);  in zs_free()
1675 				struct page *first_page)  in putback_zspage()  argument
1679 	BUG_ON(!is_first_page(first_page));  in putback_zspage()
1681 	fullness = get_fullness_group(first_page);  in putback_zspage()
1682 	insert_zspage(first_page, class, fullness);  in putback_zspage()
1683 	set_zspage_mapping(first_page, class->index, fullness);  in putback_zspage()
1691 		free_zspage(first_page);  in putback_zspage()