{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.224"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0jf92cx0b3wq9fxa3169wk4wqvy58hglfk6lsynszy8kjplhfvfz"; }; } // (args.argsOverride or {}))