{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.248"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "1z1xbkm0z0v6k3scszii5hi24pn391332g0li93p3n1rnv74jap5"; }; } // (args.argsOverride or {}))