swap_type_to_info
return swap_type_to_info(swp_type(entry));
struct swap_info_struct *si = swap_type_to_info(type);
struct swap_info_struct *si = swap_type_to_info(type);
for (type = 0; (si = swap_type_to_info(type)); type++) {
for (; (si = swap_type_to_info(type)); type++) {