dev_zero_fd 1423 oshmem/mca/memheap/ptmalloc/malloc.c static int dev_zero_fd = -1; /* Cached file descriptor for /dev/zero. */ dev_zero_fd 1424 oshmem/mca/memheap/ptmalloc/malloc.c #define CALL_MMAP(s) ((dev_zero_fd < 0) ? \ dev_zero_fd 1425 oshmem/mca/memheap/ptmalloc/malloc.c (dev_zero_fd = open("/dev/zero", O_RDWR), \ dev_zero_fd 1426 oshmem/mca/memheap/ptmalloc/malloc.c mmap(0, (s), MMAP_PROT, MMAP_FLAGS, dev_zero_fd, 0)) : \ dev_zero_fd 1427 oshmem/mca/memheap/ptmalloc/malloc.c mmap(0, (s), MMAP_PROT, MMAP_FLAGS, dev_zero_fd, 0))