__alloc_fd 540 fs/file.c return __alloc_fd(current->files, start, rlimit(RLIMIT_NOFILE), flags); __alloc_fd 545 fs/file.c return __alloc_fd(current->files, 0, rlimit(RLIMIT_NOFILE), flags); __alloc_fd 118 include/linux/fdtable.h extern int __alloc_fd(struct files_struct *files,