267 #define SWAPFILE_CLUSTER	HPAGE_PMD_NR  macro
271 #define SWAPFILE_CLUSTER	256  macro
358 		ci += offset / SWAPFILE_CLUSTER;  in lock_cluster()
462 	memset(si->swap_map + idx * SWAPFILE_CLUSTER,  in swap_cluster_schedule_discard()
463 			SWAP_MAP_BAD, SWAPFILE_CLUSTER);  in swap_cluster_schedule_discard()
493 		discard_swap_cluster(si, idx * SWAPFILE_CLUSTER,  in swap_do_scheduled_discard()
494 				SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
497 		ci = lock_cluster(si, idx * SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
499 		memset(si->swap_map + idx * SWAPFILE_CLUSTER,  in swap_do_scheduled_discard()
500 				0, SWAPFILE_CLUSTER);  in swap_do_scheduled_discard()
551 	unsigned long idx = page_nr / SWAPFILE_CLUSTER;  in inc_cluster_info_page()
558 	VM_BUG_ON(cluster_count(&cluster_info[idx]) >= SWAPFILE_CLUSTER);  in inc_cluster_info_page()
571 	unsigned long idx = page_nr / SWAPFILE_CLUSTER;  in dec_cluster_info_page()
595 	offset /= SWAPFILE_CLUSTER;  in scan_swap_map_ssd_cluster_conflict()
625 					SWAPFILE_CLUSTER;  in scan_swap_map_try_ssd_cluster()
646 		    (cluster_next(&cluster->index) + 1) * SWAPFILE_CLUSTER);  in scan_swap_map_try_ssd_cluster()
811 		if (si->pages - si->inuse_pages < SWAPFILE_CLUSTER) {  in scan_swap_map_slots()
812 			si->cluster_nr = SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
825 		last_in_cluster = offset + SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
830 				last_in_cluster = offset + SWAPFILE_CLUSTER;  in scan_swap_map_slots()
833 				offset -= SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
835 				si->cluster_nr = SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
846 		si->cluster_nr = SWAPFILE_CLUSTER - 1;  in scan_swap_map_slots()
1008 	offset = idx * SWAPFILE_CLUSTER;  in swap_alloc_cluster()
1011 	cluster_set_count_flag(ci, SWAPFILE_CLUSTER, CLUSTER_FLAG_HUGE);  in swap_alloc_cluster()
1014 	for (i = 0; i < SWAPFILE_CLUSTER; i++)  in swap_alloc_cluster()
1017 	swap_range_alloc(si, offset, SWAPFILE_CLUSTER);  in swap_alloc_cluster()
1025 	unsigned long offset = idx * SWAPFILE_CLUSTER;  in swap_free_cluster()
1029 	memset(si->swap_map + offset, 0, SWAPFILE_CLUSTER);  in swap_free_cluster()
1033 	swap_range_free(si, offset, SWAPFILE_CLUSTER);  in swap_free_cluster()
1060 	WARN_ON_ONCE(n_goal > 1 && size == SWAPFILE_CLUSTER);  in get_swap_pages()
1097 		if (size == SWAPFILE_CLUSTER) {  in get_swap_pages()
1104 		if (n_ret || size == SWAPFILE_CLUSTER)  in get_swap_pages()
1387 	unsigned long idx = offset / SWAPFILE_CLUSTER;  in put_swap_page()
1400 	if (size == SWAPFILE_CLUSTER) {  in put_swap_page()
1403 		for (i = 0; i < SWAPFILE_CLUSTER; i++) {  in put_swap_page()
1410 		if (free_entries == SWAPFILE_CLUSTER) {  in put_swap_page()
1413 			mem_cgroup_uncharge_swap(entry, SWAPFILE_CLUSTER);  in put_swap_page()
1603 	unsigned long offset = round_down(roffset, SWAPFILE_CLUSTER);  in swap_page_trans_huge_swapped()
1613 	for (i = 0; i < SWAPFILE_CLUSTER; i++) {  in swap_page_trans_huge_swapped()
3066 	DIV_ROUND_UP(SWAP_ADDRESS_SPACE_PAGES, SWAPFILE_CLUSTER)
3080 	unsigned long nr_clusters = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER);  in setup_swap_map_and_extents()
3081 	unsigned long col = p->cluster_next / SWAPFILE_CLUSTER % SWAP_CLUSTER_COLS;  in setup_swap_map_and_extents()
3105 	for (i = maxpages; i < round_up(maxpages, SWAPFILE_CLUSTER); i++)  in setup_swap_map_and_extents()
3277 		nr_cluster = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER);  in SYSCALL_DEFINE2()