{ buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.261"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0d9j4j72n8fl3s93qm82cydwk8lvwhvl2357rcsai2vsk5l0k1mc"; }; } // (args.argsOverride or {}))