{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.209"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0m94795grq3sbj7jlmwc0ncq3vap9lf1z00sdiys17kjs3bcfbnh"; }; } // (args.argsOverride or {}))