Hi Jiebin, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.0-rc4 next-20220909] [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/Jiebin-Sun/percpu-Add-percpu_counter_add_local-and-percpu_counter_sub_local/20220910-053730 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: hexagon-randconfig-r041-20220909 (https://download.01.org/0day-ci/archive/20220910/202209101659.cvalTsSU-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 1546df49f5a6d09df78f569e4137ddb365a3e827) 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/44e7288c01b9b125c7a5f97591ca26ffd90e3385 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Jiebin-Sun/percpu-Add-percpu_counter_add_local-and-percpu_counter_sub_local/20220910-053730 git checkout 44e7288c01b9b125c7a5f97591ca26ffd90e3385 # 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=hexagon prepare If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/hexagon/kernel/asm-offsets.c:12: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:10: In file included from include/linux/cred.h:17: In file included from include/linux/sched/user.h:7: >> include/linux/percpu_counter.h:176:2: error: call to undeclared function 'percpu_counter_sub'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] percpu_counter_sub(fbc, amount); ^ include/linux/percpu_counter.h:176:2: note: did you mean 'percpu_counter_set'? include/linux/percpu_counter.h:136:20: note: 'percpu_counter_set' declared here static inline void percpu_counter_set(struct percpu_counter *fbc, s64 amount) ^ include/linux/percpu_counter.h:229:20: error: static declaration of 'percpu_counter_sub' follows non-static declaration static inline void percpu_counter_sub(struct percpu_counter *fbc, s64 amount) ^ include/linux/percpu_counter.h:176:2: note: previous implicit declaration is here percpu_counter_sub(fbc, amount); ^ 2 errors generated. make[2]: *** [scripts/Makefile.build:117: arch/hexagon/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1206: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:222: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/percpu_counter_sub +176 include/linux/percpu_counter.h 171 172 /* no smp percpu_counter_sub_local is the same with percpu_counter_sub */ 173 static inline void 174 percpu_counter_sub_local(struct percpu_counter *fbc, s64 amount) 175 { > 176 percpu_counter_sub(fbc, amount); 177 } 178 -- 0-DAY CI Kernel Test Service https://01.org/lkp
