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X-CSE-ConnectionGUID: iwWCNIsoRq6YwScX+5SKOw== X-CSE-MsgGUID: VfC989DlTfyDyFXUuxwi+g== X-IronPort-AV: E=McAfee;i="6800,10657,11634"; a="67109545" X-IronPort-AV: E=Sophos;i="6.20,256,1758610800"; d="scan'208";a="67109545" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Dec 2025 02:17:39 -0800 X-CSE-ConnectionGUID: 3NrRWvoXSoeo1ZFpbg7u6w== X-CSE-MsgGUID: bPLbiwQdRHiVnvJBbk6kVA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,256,1758610800"; d="scan'208";a="226345264" Received: from lkp-server01.sh.intel.com (HELO 4664bbef4914) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 07 Dec 2025 02:17:37 -0800 Received: from kbuild by 4664bbef4914 with local (Exim 4.98.2) (envelope-from ) id 1vSBpe-00000000JBd-01z4; Sun, 07 Dec 2025 10:17:34 +0000 Date: Sun, 7 Dec 2025 18:16:37 +0800 From: kernel test robot To: Swaraj Gaikwad , David Hildenbrand , Oscar Salvador , Andrew Morton , linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , skhan@linuxfoundation.org, david.hunter.linux@gmail.com, Swaraj Gaikwad Subject: Re: [PATCH] mm/memory_hotplug: Cache auto_movable stats to optimize online check Message-ID: <202512071758.SKaL9BlQ-lkp@intel.com> References: <20251206212507.135503-1-swarajgaikwad1925@gmail.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: <20251206212507.135503-1-swarajgaikwad1925@gmail.com> Hi Swaraj, kernel test robot noticed the following build warnings: [auto build test WARNING on 3cfeff1d2304237b1c14628d695a6df44daff48f] url: https://github.com/intel-lab-lkp/linux/commits/Swaraj-Gaikwad/mm-memory_hotplug-Cache-auto_movable-stats-to-optimize-online-check/20251206-235737 base: 3cfeff1d2304237b1c14628d695a6df44daff48f patch link: https://lore.kernel.org/r/20251206212507.135503-1-swarajgaikwad1925%40gmail.com patch subject: [PATCH] mm/memory_hotplug: Cache auto_movable stats to optimize online check config: x86_64-kexec (https://download.01.org/0day-ci/archive/20251207/202512071758.SKaL9BlQ-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251207/202512071758.SKaL9BlQ-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/202512071758.SKaL9BlQ-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/memory_hotplug.c:53:34: warning: tentative definition of variable with internal linkage has incomplete non-array type 'struct auto_movable_stats' [-Wtentative-definition-incomplete-type] 53 | static struct auto_movable_stats global_auto_movable_stats; | ^ mm/memory_hotplug.c:53:15: note: forward declaration of 'struct auto_movable_stats' 53 | static struct auto_movable_stats global_auto_movable_stats; | ^ 1 warning generated. vim +53 mm/memory_hotplug.c 52 > 53 static struct auto_movable_stats global_auto_movable_stats; 54 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki