Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.15-rc1 next-20210914] [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] url: https://github.com/0day-ci/linux/commits/cgel-zte-gmail-com/delayacct-opt... base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 926de8c4326c14fcf35f1de142019043597a4fac config: i386-buildonly-randconfig-r002-20210914 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 261cbe98c38f8c1ee1a482fe76511110e790f58a) 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/0day-ci/linux/commit/13937a322a0ed37df1fc1db042d5128ec... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review cgel-zte-gmail-com/delayacct-optimize-delayacct-init/20210911-154431 git checkout 13937a322a0ed37df1fc1db042d5128ec677af02 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): static void set_delayacct(bool enabled) ^ 1 error generated. vim +/set_delayacct +21 kernel/delayacct.c ca74e92b469827 Shailabh Nagar 2006-07-14 20 0cd7c741f01de1 Peter Zijlstra 2021-05-10 @21 static void set_delayacct(bool enabled) 0cd7c741f01de1 Peter Zijlstra 2021-05-10 22 { 0cd7c741f01de1 Peter Zijlstra 2021-05-10 23 if (enabled) { 0cd7c741f01de1 Peter Zijlstra 2021-05-10 24 static_branch_enable(&delayacct_key); 0cd7c741f01de1 Peter Zijlstra 2021-05-10 25 delayacct_on = 1; 0cd7c741f01de1 Peter Zijlstra 2021-05-10 26 } else { 0cd7c741f01de1 Peter Zijlstra 2021-05-10 27 delayacct_on = 0; 0cd7c741f01de1 Peter Zijlstra 2021-05-10 28 static_branch_disable(&delayacct_key); 0cd7c741f01de1 Peter Zijlstra 2021-05-10 29 } 0cd7c741f01de1 Peter Zijlstra 2021-05-10 30 } 0cd7c741f01de1 Peter Zijlstra 2021-05-10 31 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org