{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.178"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0ri50wiwqxnrl26b48czqvblkc20ys779x17x7wyk72xfaqdizqk"; }; } // (args.argsOverride or {}))