DEFAULT_MMAP_THRESHOLD  587 oshmem/mca/memheap/ptmalloc/malloc.c #define DEFAULT_MMAP_THRESHOLD ((size_t)256U * (size_t)1024U)
DEFAULT_MMAP_THRESHOLD  589 oshmem/mca/memheap/ptmalloc/malloc.c #define DEFAULT_MMAP_THRESHOLD MAX_SIZE_T