Hi Christophe, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on v6.0-rc3] [also build test WARNING on linus/master next-20220901] [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/Christophe-JAILLET/nvdimm-Avoid-wasting-some-memory/20220904-215140 base: b90cb1053190353cc30f0fef0ef1f378ccc063c5 config: x86_64-randconfig-a014 (https://download.01.org/0day-ci/archive/20220905/202209050000.tAI7TSe5-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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://github.com/intel-lab-lkp/linux/commit/af94e709929390501b3d2f6e933fa0c1244a2029 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Christophe-JAILLET/nvdimm-Avoid-wasting-some-memory/20220904-215140 git checkout af94e709929390501b3d2f6e933fa0c1244a2029 # 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=x86_64 SHELL=/bin/bash drivers/nvdimm/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/nvdimm/btt_devs.c:335:6: warning: no previous prototype for function 'nd_btt_free' [-Wmissing-prototypes] void nd_btt_free(void *data) ^ drivers/nvdimm/btt_devs.c:335:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void nd_btt_free(void *data) ^ static 1 warning generated. vim +/nd_btt_free +335 drivers/nvdimm/btt_devs.c 334 > 335 void nd_btt_free(void *data) 336 { 337 kfree(data); 338 } 339 -- 0-DAY CI Kernel Test Service https://01.org/lkp
