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Thu, 23 Jun 2022 08:00:23 +0000 Date: Thu, 23 Jun 2022 15:59:49 +0800 From: kernel test robot To: Ben Widawsky Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Alison Schofield , Vishal Verma , Ira Weiny , Ben Widawsky , Dan Williams , linux-kernel@vger.kernel.org Subject: [cxl:preview 38/49] include/linux/memregion.h:19:6: warning: no previous prototype for function 'memregion_free' Message-ID: <202206231541.NNhh1JGy-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git preview head: b2d4fd5c97b59f622e6c45ac51020cdcd66bb022 commit: e4b2a6ac46c3288f73b88e0aa69afd2a815930d7 [38/49] cxl/region: Add region creation support config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220623/202206231541.NNhh1JGy-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 46be5faaf03466c3751f8a2882bef5a217e15926) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/commit/?id=e4b2a6ac46c3288f73b88e0aa69afd2a815930d7 git remote add cxl https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git git fetch --no-tags cxl preview git checkout e4b2a6ac46c3288f73b88e0aa69afd2a815930d7 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/cxl/core/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from drivers/cxl/core/port.c:4: >> include/linux/memregion.h:19:6: warning: no previous prototype for function 'memregion_free' [-Wmissing-prototypes] void memregion_free(int id) ^ include/linux/memregion.h:19:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void memregion_free(int id) ^ static 1 warning generated. vim +/memregion_free +19 include/linux/memregion.h a6c7f4c6aea5f4 Dan Williams 2019-11-06 10 33dd70752cd76f Dan Williams 2019-11-06 11 #ifdef CONFIG_MEMREGION 33dd70752cd76f Dan Williams 2019-11-06 12 int memregion_alloc(gfp_t gfp); 33dd70752cd76f Dan Williams 2019-11-06 13 void memregion_free(int id); 33dd70752cd76f Dan Williams 2019-11-06 14 #else 33dd70752cd76f Dan Williams 2019-11-06 15 static inline int memregion_alloc(gfp_t gfp) 33dd70752cd76f Dan Williams 2019-11-06 16 { 33dd70752cd76f Dan Williams 2019-11-06 17 return -ENOMEM; 33dd70752cd76f Dan Williams 2019-11-06 18 } 33dd70752cd76f Dan Williams 2019-11-06 @19 void memregion_free(int id) :::::: The code at line 19 was first introduced by commit :::::: 33dd70752cd76f4d883a165a674f13121a4155ed lib: Uplevel the pmem "region" ida to a global allocator :::::: TO: Dan Williams :::::: CC: Rafael J. Wysocki -- 0-DAY CI Kernel Test Service https://01.org/lkp