USE_MMAP_BIT     1399 oshmem/mca/memheap/ptmalloc/malloc.c #define USE_MMAP_BIT         (SIZE_T_ZERO)
USE_MMAP_BIT     1406 oshmem/mca/memheap/ptmalloc/malloc.c #define USE_MMAP_BIT         (SIZE_T_ONE)