{ stdenv, buildPackages, hostPlatform, fetchurl, perl, buildLinux, ... } @ args: buildLinux (args // rec { version = "4.9.87"; extraMeta.branch = "4.9"; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "05y9wjmshd3pr3ymfpx80hjv5973i6l3zk1mpww7wnnwd6pzdjbs"; }; } // (args.argsOverride or {}))