_acl(const struct tomoyo_acl_info *a,       const struct tomoyo_acl_info *b) {  const struct tomoyo_mount_acl *p0 = container_of(a, typeof(*p0), head);  const struct tomoyo_mount_acl *p0 = container_of(b, typeof(*p0), head);  return tomoyo_same_name_union(&p0->