223 static inline unsigned int cluster_next(struct swap_cluster_info *info)  in cluster_next()  function
276 		unsigned int tail = cluster_next(&si->discard_cluster_tail);  in swap_cluster_schedule_discard()
297 		idx = cluster_next(&si->discard_cluster_head);  in swap_do_scheduled_discard()
300 						cluster_next(&info[idx]), 0);  in swap_do_scheduled_discard()
301 		if (cluster_next(&si->discard_cluster_tail) == idx) {  in swap_do_scheduled_discard()
320 			tail = cluster_next(&si->free_cluster_tail);  in swap_do_scheduled_discard()
353 		VM_BUG_ON(cluster_next(&p->free_cluster_head) != idx);  in inc_cluster_info_page()
355 			cluster_next(&cluster_info[idx]), 0);  in inc_cluster_info_page()
356 		if (cluster_next(&p->free_cluster_tail) == idx) {  in inc_cluster_info_page()
402 			unsigned int tail = cluster_next(&p->free_cluster_tail);  in dec_cluster_info_page()
422 		offset != cluster_next(&si->free_cluster_head) &&  in scan_swap_map_ssd_cluster_conflict()
449 			cluster->next = cluster_next(&cluster->index) *  in scan_swap_map_try_ssd_cluster()
457 			*scan_base = *offset = si->cluster_next;  in scan_swap_map_try_ssd_cluster()
470 	while (tmp < si->max && tmp < (cluster_next(&cluster->index) + 1) *  in scan_swap_map_try_ssd_cluster()
507 	scan_base = offset = si->cluster_next;  in scan_swap_map()
539 				si->cluster_next = offset;  in scan_swap_map()
595 	si->cluster_next = offset + 1;  in scan_swap_map()
2198 	p->cluster_next = 1;  in read_swap_header()
2257 	unsigned long idx = p->cluster_next / SWAPFILE_CLUSTER;  in setup_swap_map_and_extents()
2318 				tail = cluster_next(&p->free_cluster_tail);  in setup_swap_map_and_extents()
2441 		p->cluster_next = 1 + (prandom_u32() % p->highest_bit);  in SYSCALL_DEFINE2()