{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.163"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "1x1fixnz41q6pq1cms9z48mrac984r675m94fdm08m8ajqxddcv1"; }; } // (args.argsOverride or {}))