{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.109"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "1c2rwddr8v1l0b5yswfmpy0pf4gdqi4ycs9b94cj2hsklma5dk9x"; }; } // (args.argsOverride or {}))