From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 32C113B7B93; Fri, 5 Jun 2026 01:24:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780622655; cv=none; b=VztraQaa01JTkjgis/Mk1B20t0GCF70YEJpK7PrYZz0gY6LI6f4gjppputsrBvgR9hsOtUtoA+bVpQZonWeb72E8KHkehmqnSkYEnxo8eg9a3I8oluKPFPDPRdTU7agWZMwN564p8pufle/TvOLWIg6ok24FwBvbgIUhjGh0r6g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780622655; c=relaxed/simple; bh=wUXquFQuBDYMZICYnLQmQNv1jv/HaB9bdKctPiDDt8E=; h=Date:From:To:Cc:Subject:Message-ID; b=KcwO/3+iecUlB50H2+4s9JY5B+kARex9slNG5IXd4yyDdT7UF0iuuKW4ldmsxRhGh/A9mkSOMbShvjejd03TyR5VNQa295tnwRI8+OsISdEgBnnoWil87PVKXTIjRbng92IRZ3iA2a5ASzoC23bE+AQ+/GTBaBDC6z2UqGq+74c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=F1bwtWx4; arc=none smtp.client-ip=192.198.163.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="F1bwtWx4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1780622650; x=1812158650; h=date:from:to:cc:subject:message-id; bh=wUXquFQuBDYMZICYnLQmQNv1jv/HaB9bdKctPiDDt8E=; b=F1bwtWx4NxEChjrWnd7hPogJ6oFUZa8wKfUc8NHyhLIqqq7lq4C1vnJE 3ZX9UFrASnQrKgfSJmEtFcuniRgFTUq7UafKaao6gD159zMX7ifvnpiUJ B14NbwLmdLSCdGXnA9G23eZ9L4o0GZulmAPLqdyvz5mL9cg65UyErODzE O7QwAVe0IPGefWwBuZRCBVwEswPFqJ8uD+WohnIRVjz4+cSLb1WjowLjV 4IWUz+bWNV2o4CBp1MDtBn/YLSq/y+4KzjOJtHDUdXkRgu2wqD/7+ScGn 7aFMSGX1W3odU1IkRzHuqXA2W/r/yNwJ/nlfOGps5Ts1LvsnfXZcn1q5R Q==; X-CSE-ConnectionGUID: 3FYtM6Z4TTSfYyb7aJVbww== X-CSE-MsgGUID: o1P1ITQpRqG6HxamPXF7Ow== X-IronPort-AV: E=McAfee;i="6800,10657,11807"; a="92142076" X-IronPort-AV: E=Sophos;i="6.24,188,1774335600"; d="scan'208";a="92142076" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jun 2026 18:24:05 -0700 X-CSE-ConnectionGUID: uF5IaECnRIOofeg8SgIBIg== X-CSE-MsgGUID: SZZHOVVQTCOmJU6YGz8JJw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,188,1774335600"; d="scan'208";a="240516094" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by fmviesa010.fm.intel.com with ESMTP; 04 Jun 2026 18:24:03 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wVJI0-00000000FQW-1P2q; Fri, 05 Jun 2026 01:24:00 +0000 Date: Fri, 05 Jun 2026 09:23:40 +0800 From: kernel test robot To: "Michael S. Tsirkin" Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Subject: [mst-vhost:balloon 12/38] ld.lld: error: undefined symbol: folio_zero_user Message-ID: <202606050942.HHhnHpHF-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Hi Michael, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git balloon head: b145636d693114d343a0a47a4400f5b31e211fec commit: c4af912c65bc897b31264a3403f18b0cf52fa10c [12/38] mm: use folio_zero_user for user pages in post_alloc_hook config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20260605/202606050942.HHhnHpHF-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 7917772d7d61384696c61102c08c2ea158e610fa) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260605/202606050942.HHhnHpHF-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202606050942.HHhnHpHF-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: folio_zero_user >>> referenced by page_alloc.c >>> mm/page_alloc.o:(post_alloc_hook) in archive vmlinux.a >>> referenced by page_alloc.c >>> mm/page_alloc.o:(get_page_from_freelist) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki