{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.208"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0njjw1i8dilihn1hz62zra4b9y05fb3r2k2sqlkd0wfn86c1rbdp"; }; } // (args.argsOverride or {}))