{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.90"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0mbl0d6z8yx7bn5m804kv17bh64pd0w0nc8lls4pw335jx7hkc0v"; }; } // (args.argsOverride or {}))