memlockd locking section

int open_map(int fd, struct stat *sb, const char * const name)
{
  // !!! Map process into memory
  new_files[num_new_files].start = mmap(NULL, sb->st_size, PROT_READ, MAP_SHARED, fd, 0);
  if(new_files[num_new_files].start == MAP_FAILED)
  {
    log(LOG_ERR, "Error mmaping %s: %s", name, strerror(errno));
    close(fd);
    return 0;
  }
  // !!! Lock in-memory process down
  if(mlock(new_files[num_new_files].start, sb->st_size) == -1)
  {
    log(LOG_ERR, "Can't lock memory for %s, error %s", name, strerror(errno));
    munmap(new_files[num_new_files].start, sb->st_size);
    close(fd);
    return 0;
  }
  if(sb->st_size % page_size)
    new_files[num_new_files].map_size = sb->st_size - (sb->st_size % page_size)
                                      + page_size;
  else
    new_files[num_new_files].map_size = sb->st_size;
  new_files[num_new_files].fd = fd;
  memcpy(&new_files[num_new_files].sb, sb, sizeof(struct stat));
  new_files[num_new_files].name = strdup(name);
  num_new_files++;
  log(LOG_INFO, "Mapped file %s", name);
  return 1;
}