206 #define SWAPFILE_CLUSTER	HPAGE_PMD_NR  macro
210 #define SWAPFILE_CLUSTER	256  macro
297 		ci += offset / SWAPFILE_CLUSTER;  in lock_cluster()
401 	memset(si->swap_map + idx * SWAPFILE_CLUSTER,  in swap_cluster_schedule_discard()
402 			SWAP_MAP_BAD, SWAPFILE_CLUSTER);  in swap_cluster_schedule_discard()
432 		discard_swap_cluster(si, idx * SWAPFILE_CLUSTER,  in swap_do_scheduled_discard()
433 				SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
436 		ci = lock_cluster(si, idx * SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
438 		memset(si->swap_map + idx * SWAPFILE_CLUSTER,  in swap_do_scheduled_discard()
439 				0, SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
490 	unsigned long idx = page_nr / SWAPFILE_CLUSTER;  in inc_cluster_info_page()
497 	VM_BUG_ON(cluster_count(&cluster_info[idx]) >= SWAPFILE_CLUSTER);  in inc_cluster_info_page()
510 	unsigned long idx = page_nr / SWAPFILE_CLUSTER;  in dec_cluster_info_page()
534 	offset /= SWAPFILE_CLUSTER;  in scan_swap_map_ssd_cluster_conflict()
565 					SWAPFILE_CLUSTER;  in scan_swap_map_try_ssd_cluster()
586 		    (cluster_next(&cluster->index) + 1) * SWAPFILE_CLUSTER);  in scan_swap_map_try_ssd_cluster()
721 		if (si->pages - si->inuse_pages < SWAPFILE_CLUSTER) {  in scan_swap_map_slots()
722 			si->cluster_nr = SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
735 		last_in_cluster = offset + SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
740 				last_in_cluster = offset + SWAPFILE_CLUSTER;  in scan_swap_map_slots()
743 				offset -= SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
745 				si->cluster_nr = SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
756 		si->cluster_nr = SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
901 	offset = idx * SWAPFILE_CLUSTER;  in swap_alloc_cluster()
904 	cluster_set_count_flag(ci, SWAPFILE_CLUSTER, CLUSTER_FLAG_HUGE);  in swap_alloc_cluster()
907 	for (i = 0; i < SWAPFILE_CLUSTER; i++)  in swap_alloc_cluster()
910 	swap_range_alloc(si, offset, SWAPFILE_CLUSTER);  in swap_alloc_cluster()
918 	unsigned long offset = idx * SWAPFILE_CLUSTER;  in swap_free_cluster()
925 	swap_range_free(si, offset, SWAPFILE_CLUSTER);  in swap_free_cluster()
952 	WARN_ON_ONCE(n_goal > 1 && size == SWAPFILE_CLUSTER);  in get_swap_pages()
991 		if (size == SWAPFILE_CLUSTER) {  in get_swap_pages()
998 		if (n_ret || size == SWAPFILE_CLUSTER)  in get_swap_pages()
1214 	unsigned long idx = offset / SWAPFILE_CLUSTER;  in put_swap_page()
1227 	if (size == SWAPFILE_CLUSTER) {  in put_swap_page()
1230 		for (i = 0; i < SWAPFILE_CLUSTER; i++) {  in put_swap_page()
1237 		if (free_entries == SWAPFILE_CLUSTER) {  in put_swap_page()
1241 			memset(map, 0, SWAPFILE_CLUSTER);  in put_swap_page()
1243 			mem_cgroup_uncharge_swap(entry, SWAPFILE_CLUSTER);  in put_swap_page()
1424 	unsigned long offset = round_down(roffset, SWAPFILE_CLUSTER);  in swap_page_trans_huge_swapped()
1434 	for (i = 0; i < SWAPFILE_CLUSTER; i++) {  in swap_page_trans_huge_swapped()
2996 	DIV_ROUND_UP(SWAP_ADDRESS_SPACE_PAGES, SWAPFILE_CLUSTER)
3010 	unsigned long nr_clusters = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER);  in setup_swap_map_and_extents()
3011 	unsigned long col = p->cluster_next / SWAPFILE_CLUSTER % SWAP_CLUSTER_COLS;  in setup_swap_map_and_extents()
3035 	for (i = maxpages; i < round_up(maxpages, SWAPFILE_CLUSTER); i++)  in setup_swap_map_and_extents()
3194 		nr_cluster = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER);  in SYSCALL_DEFINE2()