mmap_threshold   2347 oshmem/mca/memheap/ptmalloc/malloc.c   size_t mmap_threshold;
mmap_threshold   2793 oshmem/mca/memheap/ptmalloc/malloc.c     mparams.mmap_threshold = DEFAULT_MMAP_THRESHOLD;
mmap_threshold   2882 oshmem/mca/memheap/ptmalloc/malloc.c     mparams.mmap_threshold = val;
mmap_threshold   3704 oshmem/mca/memheap/ptmalloc/malloc.c   if (use_mmap(m) && nb >= mparams.mmap_threshold) {