#define MAP_HUGE_64KB (16 << 26)
#define MAP_HUGE_512KB (19 << 26)
#define MAP_HUGE_1MB (20 << 26)
#define MAP_HUGE_2MB (21 << 26)
#define MAP_HUGE_8MB (23 << 26)
#define MAP_HUGE_16MB (24 << 26)
#define MAP_HUGE_64KB (16 << 26)
#define MAP_HUGE_512KB (19 << 26)
#define MAP_HUGE_1MB (20 << 26)
#define MAP_HUGE_2MB (21 << 26)
#define MAP_HUGE_8MB (23 << 26)
#define MAP_HUGE_16MB (24 << 26)