{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.245"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0g1cnis8496kp1ln922gxa7skfr096mdvv89la6676yw7dd4lhyi"; }; } // (args.argsOverride or {}))