2827 	unsigned long maxpages;  in read_swap_header()  local
2857 	maxpages = swapfile_maximum_size;  in read_swap_header()
2863 	if (last_page > maxpages) {  in read_swap_header()
2865 			K(maxpages), K(last_page));  in read_swap_header()
2867 	if (maxpages > last_page) {  in read_swap_header()
2868 		maxpages = last_page + 1;  in read_swap_header()
2870 		if ((unsigned int)maxpages == 0)  in read_swap_header()
2871 			maxpages = UINT_MAX;  in read_swap_header()
2873 	p->highest_bit = maxpages - 1;  in read_swap_header()
2875 	if (!maxpages)  in read_swap_header()
2878 	if (swapfilepages && maxpages > swapfilepages) {  in read_swap_header()
2887 	return maxpages;  in read_swap_header()
2901 					unsigned long maxpages,  in setup_swap_map_and_extents()  argument
2907 	unsigned long nr_clusters = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER);  in setup_swap_map_and_extents()
2911 	nr_good_pages = maxpages - 1;	/* omit header page */  in setup_swap_map_and_extents()
2920 		if (page_nr < maxpages) {  in setup_swap_map_and_extents()
2932 	for (i = maxpages; i < round_up(maxpages, SWAPFILE_CLUSTER); i++)  in setup_swap_map_and_extents()
2942 		p->max = maxpages;  in setup_swap_map_and_extents()
2990 	unsigned long maxpages;  in SYSCALL_DEFINE2()  local
3058 	maxpages = read_swap_header(p, swap_header, inode);  in SYSCALL_DEFINE2()
3059 	if (unlikely(!maxpages)) {  in SYSCALL_DEFINE2()
3065 	swap_map = vzalloc(maxpages);  in SYSCALL_DEFINE2()
3095 		nr_cluster = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER);  in SYSCALL_DEFINE2()
3122 	error = swap_cgroup_swapon(p->type, maxpages);  in SYSCALL_DEFINE2()
3127 		cluster_info, maxpages, &span);  in SYSCALL_DEFINE2()
3164 	error = init_swap_address_space(p->type, maxpages);  in SYSCALL_DEFINE2()