{ stdenv, buildPackages, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.159"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "1hivz1pyy4scp4s09ibz36ni4d1pwivizwls5dbh5qjy0pdvn00f"; }; } // (args.argsOverride or {}))