-#define MAP_NORESERVE 0x4000
-#define MAP_GROWSDOWN 0x0100
-#define MAP_DENYWRITE 0x0800
-#define MAP_EXECUTABLE 0x1000
-#define MAP_LOCKED 0x2000
-#define MAP_POPULATE 0x8000
-#define MAP_NONBLOCK 0x10000
-#define MAP_STACK 0x20000
-#define MAP_HUGETLB 0x40000
-
-#define POSIX_MADV_NORMAL 0
-#define POSIX_MADV_RANDOM 1
-#define POSIX_MADV_SEQUENTIAL 2
-#define POSIX_MADV_WILLNEED 3
-#define POSIX_MADV_DONTNEED 0
-
-#define MS_ASYNC 1
-#define MS_INVALIDATE 2
-#define MS_SYNC 4
-
-#define MCL_CURRENT 1
-#define MCL_FUTURE 2
-
-#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
-#define MADV_NORMAL 0
-#define MADV_RANDOM 1
-#define MADV_SEQUENTIAL 2
-#define MADV_WILLNEED 3
-#define MADV_DONTNEED 4
-#define MADV_REMOVE 9
-#define MADV_DONTFORK 10
-#define MADV_DOFORK 11
-#define MADV_MERGEABLE 12
-#define MADV_UNMERGEABLE 13
-#define MADV_HUGEPAGE 14
-#define MADV_NOHUGEPAGE 15
-#define MADV_DONTDUMP 16
-#define MADV_DODUMP 17
-#define MADV_HWPOISON 100
-#define MADV_SOFT_OFFLINE 101
-#endif