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Tsirkin" , linux-kernel@vger.kernel.org Subject: Re: [PATCH V3] mm/migrate: Fix NULL movable_ops if CONFIG_ZSMALLOC=m Message-ID: <202508171758.8m5jQYdz-lkp@intel.com> References: <20250817083534.2398601-1-chenhuacai@loongson.cn> 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: <20250817083534.2398601-1-chenhuacai@loongson.cn> Hi Huacai, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Huacai-Chen/mm-migrate-Fix-NULL-movable_ops-if-CONFIG_ZSMALLOC-m/20250817-163814 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250817083534.2398601-1-chenhuacai%40loongson.cn patch subject: [PATCH V3] mm/migrate: Fix NULL movable_ops if CONFIG_ZSMALLOC=m config: x86_64-buildonly-randconfig-002-20250817 (https://download.01.org/0day-ci/archive/20250817/202508171758.8m5jQYdz-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250817/202508171758.8m5jQYdz-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/202508171758.8m5jQYdz-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/zsmalloc.c: In function 'zs_init': >> mm/zsmalloc.c:2249:13: warning: unused variable 'rc' [-Wunused-variable] 2249 | int rc; | ^~ vim +/rc +2249 mm/zsmalloc.c 2246 2247 static int __init zs_init(void) 2248 { > 2249 int rc; 2250 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki