From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 1923030CDAA for ; Fri, 21 Nov 2025 22:48:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763765339; cv=none; b=AJaebvH9nCgjkMpPzaCL05IUb7G2IlbtfjeDXgoT6/1wKZEajeOkpTLxQ+B7X1N8W9zU6xjUygdvXZXjbagAoAYT87rU10wJfKaWnXOGRp12cZ5cXZrLevbJW18RhtE2KjVTerbvdD1umbemGkoFR+i9V4NooJfVTNleQeiMPKY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763765339; c=relaxed/simple; bh=SJUJREyDOnue43JJwtfKawHk2+Wo+9cAaLPLd7SvlNg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TWX7o1u/wULIFh/qr5PCrrg/SDL7VpzimLvpvEAszeJuN4YfqOBUoJPGGRwqz9zJQtbajBD16rzUTZEI9f9nuxePhprMBPIs4QJdyT6QJOPbKBAxPvkFBla3qj2jEKIUGEeEfbYGmH9EmM2c1hV7m6wVZU4RNkyZ5oV3dKgjsgU= 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=GxjIAXQt; arc=none smtp.client-ip=198.175.65.19 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="GxjIAXQt" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763765336; x=1795301336; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=SJUJREyDOnue43JJwtfKawHk2+Wo+9cAaLPLd7SvlNg=; b=GxjIAXQttICke8vZ/w7fUfnTxlvTx3fIzBGduL0kuidGMadynjeM7RMf Hy1dmf0pgN+/pL/cwwEqWqtfQITx4GQWGrj/UnaEdDcYOzuCOOLGZ04Mi khxhYqLLoo1Jpgkj6nrbAWvrrBtE/iH7fqH4g6OdZ0movMqMpySb63Jqg wOe/xcfiygIxONAcSTvEIp6EkNzwQX+gmlAQvl7l1qUn3hw+yve5G8uUU DsHUjSvNDVlvplh0GBz05KglbnVzdgr2d4Epll50ClH4MMnbMMR/4cQZ/ jhvdbPkQE3r7T2lRNYI1pixgfMeeOmE0bYlYImFPj/AKbX9fhfQGa5S0T A==; X-CSE-ConnectionGUID: BnMpjB57Q++3jKOc0ijOww== X-CSE-MsgGUID: UTDVTsc4Qn+0SEf1Sp1K8w== X-IronPort-AV: E=McAfee;i="6800,10657,11620"; a="65749120" X-IronPort-AV: E=Sophos;i="6.20,216,1758610800"; d="scan'208";a="65749120" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2025 14:48:53 -0800 X-CSE-ConnectionGUID: gycCK+/tQ4C9YuRr8gyMnQ== X-CSE-MsgGUID: Ukkt/bnfTeeHEL9oDKxXOg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,216,1758610800"; d="scan'208";a="229105894" Received: from lkp-server01.sh.intel.com (HELO adf6d29aa8d9) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 21 Nov 2025 14:48:51 -0800 Received: from kbuild by adf6d29aa8d9 with local (Exim 4.96) (envelope-from ) id 1vMZvt-0006w3-0j; Fri, 21 Nov 2025 22:48:49 +0000 Date: Sat, 22 Nov 2025 06:48:04 +0800 From: kernel test robot To: Ankur Arora Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH v9 2/7] mm: introduce clear_pages() and clear_user_pages() Message-ID: <202511220604.AijSWn1l-lkp@intel.com> References: <20251121202352.494700-3-ankur.a.arora@oracle.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251121202352.494700-3-ankur.a.arora@oracle.com> Hi Ankur, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.18-rc6 next-20251121] [cannot apply to akpm-mm/mm-everything tip/x86/core arm64/for-next/core gerg-m68knommu/for-next deller-parisc/for-next powerpc/next powerpc/fixes s390/features uml/next vgupta-arc/for-next vgupta-arc/for-curr openrisc/for-next] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ankur-Arora/treewide-provide-a-generic-clear_user_page-variant/20251122-042758 base: linus/master patch link: https://lore.kernel.org/r/20251121202352.494700-3-ankur.a.arora%40oracle.com patch subject: [PATCH v9 2/7] mm: introduce clear_pages() and clear_user_pages() config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511220604.AijSWn1l-lkp@intel.com/config) compiler: arc-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511220604.AijSWn1l-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/202511220604.AijSWn1l-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/util.c:1349:6: error: redefinition of 'clear_user_pages' 1349 | void clear_user_pages(void *addr, unsigned long vaddr, | ^~~~~~~~~~~~~~~~ In file included from mm/util.c:2: include/linux/mm.h:3938:20: note: previous definition of 'clear_user_pages' with type 'void(void *, long unsigned int, struct page *, unsigned int)' 3938 | static inline void clear_user_pages(void *addr, unsigned long vaddr, | ^~~~~~~~~~~~~~~~ vim +/clear_user_pages +1349 mm/util.c 1347 1348 #ifdef clear_user_page > 1349 void clear_user_pages(void *addr, unsigned long vaddr, -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki