{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.188"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "08p2cfc9982b804vmkapfasgipf6969g625ih7z3062xn99rhlr7"; }; } // (args.argsOverride or {}))