{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.168"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0zhmhccwki1r7p99ap772p3bknl4hm6zfwvzk97nas42anqc0ylg"; }; } // (args.argsOverride or {}))