17 int create_tmp_file(char *filename, off_t size) {  in create_tmp_file()  argument
40     if (ftruncate(fd, size)) {  in create_tmp_file()
45     buf = mmap(NULL, size, PROT_WRITE, MAP_SHARED, fd, 0);  in create_tmp_file()
51     rc = read(urandom, buf, size);  in create_tmp_file()
58     if (rc != size) {  in create_tmp_file()
63     if (madvise(buf, size, MADV_DONTNEED)) {  in create_tmp_file()
73     rc = posix_fadvise(fd, 0, size, POSIX_FADV_DONTNEED);  in create_tmp_file()
79     munmap(buf, size);  in create_tmp_file()
84     munmap(buf, size);  in create_tmp_file()
95 unsigned char *alloc_mincore_vec(size_t size) {  in alloc_mincore_vec()  argument
98     vec = malloc(mincore_vec_len(size));  in alloc_mincore_vec()
106 bool check_caching(void *buf, unsigned char *vec, size_t size, bool is_cached) {  in check_caching()  argument
110     if (mincore(buf, size, vec)) {  in check_caching()
116         for (i = 0; i < mincore_vec_len(size); i++) {  in check_caching()
123         for (i = 0; i < mincore_vec_len(size); i++) {  in check_caching()