tree: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev head: d578b99443fde0968246cc7cbf3bc3016123c2f4 commit: 4ba3fcdde7e36af93610ceb3cc38365b14539865 [27/31] jbd2,ext4: add a shrinker to release checkpointed buffers config: xtensa-randconfig-s032-20210628 (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=4ba3fcdde7e36af93610ceb3cc38365b14539865 git remote add ext4 https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git git fetch --no-tags ext4 dev git checkout 4ba3fcdde7e36af93610ceb3cc38365b14539865 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): >> ERROR: modpost: "jbd2_journal_unregister_shrinker" undefined! >> ERROR: modpost: "jbd2_journal_register_shrinker" undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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