162 				 pgoff_t start_page, pgoff_t nr_pages)  in discard_swap_cluster()  argument
170 		if (se->start_page <= start_page &&  in discard_swap_cluster()
171 		    start_page < se->start_page + se->nr_pages) {  in discard_swap_cluster()
172 			pgoff_t offset = start_page - se->start_page;  in discard_swap_cluster()
178 			start_page += nr_blocks;  in discard_swap_cluster()
1638 		if (se->start_page <= offset &&  in map_swap_entry()
1639 				offset < (se->start_page + se->nr_pages)) {  in map_swap_entry()
1640 			return se->start_block + (offset - se->start_page);  in map_swap_entry()
1689 add_swap_extent(struct swap_info_struct *sis, unsigned long start_page,  in add_swap_extent()  argument
1696 	if (start_page == 0) {  in add_swap_extent()
1699 		se->start_page = 0;  in add_swap_extent()
1706 		BUG_ON(se->start_page + se->nr_pages != start_page);  in add_swap_extent()
1720 	new_se->start_page = start_page;  in add_swap_extent()