high2lowuid
(size >= sizeof(uid) ? (uid) : high2lowuid(uid))
return high2lowuid(from_kuid_munged(current_user_ns(), current_uid()));
return high2lowuid(from_kuid_munged(current_user_ns(), current_euid()));
ruid = high2lowuid(from_kuid_munged(cred->user_ns, cred->uid));
euid = high2lowuid(from_kuid_munged(cred->user_ns, cred->euid));
suid = high2lowuid(from_kuid_munged(cred->user_ns, cred->suid));