{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.4.121"; extraMeta.branch = "4.4"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "0ad7djpbwapk126jddrnnq0a5a9mmhrr36qcnckc7388nml85a24"; }; } // (args.argsOverride or {}))