1#undef MAP_ANON 2#define MAP_ANON 0x800 3#undef MAP_NORESERVE 4#define MAP_NORESERVE 0x0400 5#undef MAP_GROWSDOWN 6#define MAP_GROWSDOWN 0x1000 7#undef MAP_DENYWRITE 8#define MAP_DENYWRITE 0x2000 9#undef MAP_EXECUTABLE 10#define MAP_EXECUTABLE 0x4000 11#undef MAP_LOCKED 12#define MAP_LOCKED 0x8000 13#undef MAP_POPULATE 14#define MAP_POPULATE 0x10000 15#undef MAP_NONBLOCK 16#define MAP_NONBLOCK 0x20000 17#undef MAP_STACK 18#define MAP_STACK 0x40000 19#undef MAP_HUGETLB 20#define MAP_HUGETLB 0x80000 21#undef MAP_SYNC 22 23#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 24#undef MADV_SOFT_OFFLINE 25#endif 26