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X-CSE-ConnectionGUID: PAlQ5U10Qg6mQnYt5kU20Q== X-CSE-MsgGUID: IkzNkp2/T4GcrjVhUTdwOQ== X-IronPort-AV: E=McAfee;i="6800,10657,11887"; a="87378553" X-IronPort-AV: E=Sophos;i="6.25,245,1779174000"; d="scan'208";a="87378553" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 09:23:26 -0700 X-CSE-ConnectionGUID: lR7Q+sj3S6C+exrR/EcD1g== X-CSE-MsgGUID: sTlQIIJsTYG1G5BfCPibWA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,245,1779174000"; d="scan'208";a="291144168" Received: from lkp-server01.sh.intel.com (HELO 3532383e6126) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 26 Aug 2026 09:23:23 -0700 Received: from kbuild by 3532383e6126 with local (Exim 4.98.2) (envelope-from ) id 1wzGPH-00000000837-3X1S; Wed, 26 Aug 2026 16:23:19 +0000 Date: Thu, 27 Aug 2026 00:23:14 +0800 From: kernel test robot To: "zhaoyang.huang" , Andrew Morton , David Hildenbrand , Axel Rasmussen , Yuanchu Xie , Wei Xu , Johannes Weiner , Michal Hocko , Qi Zheng , Shakeel Butt , Lorenzo Stoakes , Barry Song , linux-kernel@vger.kernel.org, Zhaoyang Huang , steve.kang@unisoc.com Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: Re: [PATCH] mm: workingset: judge cross-memcg refaults by generation age Message-ID: <202608270037.JUsg3wm5-lkp@intel.com> References: <20260826075133.751049-1-zhaoyang.huang@unisoc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260826075133.751049-1-zhaoyang.huang@unisoc.com> Hi zhaoyang.huang, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/zhaoyang-huang/mm-workingset-judge-cross-memcg-refaults-by-generation-age/20260826-155133 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260826075133.751049-1-zhaoyang.huang%40unisoc.com patch subject: [PATCH] mm: workingset: judge cross-memcg refaults by generation age config: csky-allmodconfig (https://download.01.org/0day-ci/archive/20260827/202608270037.JUsg3wm5-lkp@intel.com/config) compiler: csky-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260827/202608270037.JUsg3wm5-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/202608270037.JUsg3wm5-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from : In function 'lru_gen_eviction', inlined from 'workingset_eviction' at mm/workingset.c:459:10: >> include/linux/compiler_types.h:702:45: error: call to '__compiletime_assert_649' declared with attribute error: BUILD_BUG_ON failed: EVICT_TS_WIDTH <= 0 702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:683:25: note: in definition of macro '__compiletime_assert' 683 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:702:9: note: in expansion of macro '_compiletime_assert' 702 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:40:37: note: in expansion of macro 'compiletime_assert' 40 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) | ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:51:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 51 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ mm/workingset.c:275:9: note: in expansion of macro 'BUILD_BUG_ON' 275 | BUILD_BUG_ON(EVICT_TS_WIDTH <= 0); | ^~~~~~~~~~~~ vim +/__compiletime_assert_649 +702 include/linux/compiler_types.h eb5c2d4b45e3d2d Will Deacon 2020-07-21 688 eb5c2d4b45e3d2d Will Deacon 2020-07-21 689 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2d Will Deacon 2020-07-21 690 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2d Will Deacon 2020-07-21 691 eb5c2d4b45e3d2d Will Deacon 2020-07-21 692 /** eb5c2d4b45e3d2d Will Deacon 2020-07-21 693 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2d Will Deacon 2020-07-21 694 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2d Will Deacon 2020-07-21 695 * @msg: a message to emit if condition is false eb5c2d4b45e3d2d Will Deacon 2020-07-21 696 * eb5c2d4b45e3d2d Will Deacon 2020-07-21 697 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2d Will Deacon 2020-07-21 698 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2d Will Deacon 2020-07-21 699 * compiler has support to do so. eb5c2d4b45e3d2d Will Deacon 2020-07-21 700 */ eb5c2d4b45e3d2d Will Deacon 2020-07-21 701 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2d Will Deacon 2020-07-21 @702 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2d Will Deacon 2020-07-21 703 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki