MAP_ANONYMOUS    1494 src/utils/dlmalloc.c #if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
MAP_ANONYMOUS    1497 src/utils/dlmalloc.c #ifdef MAP_ANONYMOUS
MAP_ANONYMOUS    1498 src/utils/dlmalloc.c #define MMAP_FLAGS           (MAP_PRIVATE|MAP_ANONYMOUS)