680 	if (end == si->highest_bit)  in swap_range_alloc()
681 		si->highest_bit -= nr_entries;  in swap_range_alloc()
685 		si->highest_bit = 0;  in swap_range_alloc()
710 	if (end > si->highest_bit) {  in swap_range_free()
711 		bool was_full = !si->highest_bit;  in swap_range_free()
713 		si->highest_bit = end;  in swap_range_free()
786 		for (; last_in_cluster <= si->highest_bit; offset++) {  in scan_swap_map_slots()
820 	if (!si->highest_bit)  in scan_swap_map_slots()
822 	if (offset > si->highest_bit)  in scan_swap_map_slots()
855 	if ((n_ret == nr) || (offset >= si->highest_bit))  in scan_swap_map_slots()
892 	while (++offset <= si->highest_bit) {  in scan_swap_map_slots()
1024 		if (!si->highest_bit || !(si->flags & SWP_WRITEOK)) {  in get_swap_pages()
1030 			WARN(!si->highest_bit,  in get_swap_pages()
2628 	p->highest_bit = 0;		/* cuts scans short */  in SYSCALL_DEFINE1()
2983 	p->highest_bit = maxpages - 1;  in read_swap_header()
3200 		p->cluster_next = 1 + (prandom_u32() % p->highest_bit);  in SYSCALL_DEFINE2()