Hi David, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on cifs/for-next] [also build test WARNING on linus/master v5.17-rc1 next-20220124] [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/David-Howells/cifs-Transition-fr... base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: x86_64-randconfig-s022-20220124 (https://download.01.org/0day-ci/archive/20220125/202201250805.MGfPuo1x-lk...) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/ad0df70284e96423c577eb30a366eb814... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review David-Howells/cifs-Transition-from-readpages-to-readahead/20220125-010247 git checkout ad0df70284e96423c577eb30a366eb814888379b # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/vfio/pci/ fs/cifs/ mm/kasan/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) fs/cifs/file.c: note: in included file: fs/cifs/fscache.h:143:21: sparse: expected unsigned long *_data_first fs/cifs/fscache.h:143:21: sparse: got unsigned long vim +143 fs/cifs/fscache.h 137 138 static inline int cifs_fscache_query_occupancy(struct inode *inode, 139 pgoff_t first, unsigned nr_pages, 140 pgoff_t *_data_first, 141 unsigned int *_data_nr_pages) 142 { 145 return -ENOBUFS; 146 } 147 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org