{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.147"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "10hxxcwa9lgsdz0k6229fly9r7iyqv9xq838zx8s7bd12qrrfb59"; }; } // (args.argsOverride or {}))