MAP_SHARED	1
MAP_PRIVATE	2
MAP_SHARED_VALIDATE	3
MAP_FIXED
MAP_ANONYMOUS
MAP_32BIT
MAP_RENAME
MAP_NORESERVE
MAP_POPULATE
MAP_NONBLOCK
_MAP_NEW /* sparc */
MAP_GROWSDOWN
MAP_GROWSUP /* ia64 */
MAP_DENYWRITE
MAP_EXECUTABLE
MAP_INHERIT /* sparc */
_MAP_INHERIT /* alpha */
MAP_FILE
MAP_LOCKED
_MAP_HASSEMAPHORE /* alpha */
MAP_STACK
MAP_HUGETLB
MAP_SYNC
#if defined MAP_UNINITIALIZED && MAP_UNINITIALIZED > 0
MAP_UNINITIALIZED
#endif
MAP_FIXED_NOREPLACE
MAP_AUTOGROW /* MIPS, xtensa */
MAP_AUTORSRV /* MIPS, xtensa */
MAP_LOCAL /* MIPS, xtensa */
_MAP_UNALIGNED /* alpha */