{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.161"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "11rz66qvbcb6y3fz9k04jzn547sqdahqknd43imsr9sjgkaq60xy"; }; } // (args.argsOverride or {}))