{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.238"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0r1kb7p0zf0nkavvf9nr9hs7bdjym43cqv87hkp7vrqpbh1i8y06"; }; } // (args.argsOverride or {}))