On Wed, Apr 17, 2024 at 06:01:49PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 4eab358930711bbeb85bf5ee267d0d42d3394c2c > commit: 62754e4df9e04c4576e989f5ea2b909e824d8164 [6398/6705] mm/page_table_check: support userfault wr-protect entries > config: riscv-randconfig-r001-20230105 (https://download.01.org/0day-ci/archive/20240417/202404171745.Zd13ydca-lkp@xxxxxxxxx/config) > compiler: riscv64-linux-gcc (GCC) 13.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240417/202404171745.Zd13ydca-lkp@xxxxxxxxx/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202404171745.Zd13ydca-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > mm/page_table_check.c: In function 'swap_cached_writable': > mm/page_table_check.c:192:24: error: 'SWP_DEVICE_EXCLUSIVE_WRITE' undeclared (first use in this function) > 192 | return type == SWP_DEVICE_EXCLUSIVE_WRITE || > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > mm/page_table_check.c:192:24: note: each undeclared identifier is reported only once for each function it appears in > >> mm/page_table_check.c:194:1: warning: control reaches end of non-void function [-Wreturn-type] > 194 | } > | ^ > > > vim +194 mm/page_table_check.c > > 186 > 187 /* Whether the swap entry cached writable information */ > 188 static inline bool swap_cached_writable(swp_entry_t entry) > 189 { > 190 unsigned type = swp_type(entry); > 191 > 192 return type == SWP_DEVICE_EXCLUSIVE_WRITE || > 193 type == SWP_MIGRATION_WRITE; > > 194 } > 195 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki I'll send a v2 of this patch soon to fix all these issues, after I check with Pasha on some other changes. Thanks, -- Peter Xu