On Sun, Aug 18, 2024 at 12:04 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Kanchana, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on 7c626ce4bae1ac14f60076d00eafe71af30450ba] > > url: https://github.com/intel-lab-lkp/linux/commits/Kanchana-P-Sridhar/mm-zswap-zswap_is_folio_same_filled-takes-an-index-in-the-folio/20240817-131053 > base: 7c626ce4bae1ac14f60076d00eafe71af30450ba > patch link: https://lore.kernel.org/r/20240817050921.18462-5-kanchana.p.sridhar%40intel.com > patch subject: [PATCH v3 4/4] mm: swap: Count successful mTHP ZSWAP stores in sysfs mTHP stats. > config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20240818/202408180729.M6uZh634-lkp@xxxxxxxxx/config) > compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240818/202408180729.M6uZh634-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/202408180729.M6uZh634-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > mm/page_io.c: In function 'count_mthp_zswpout_vm_event': > >> mm/page_io.c:178:17: error: implicit declaration of function 'count_mthp_stat' [-Werror=implicit-function-declaration] > 178 | count_mthp_stat(folio_order(folio), MTHP_STAT_ZSWPOUT); > | ^~~~~~~~~~~~~~~ > >> mm/page_io.c:178:53: error: 'MTHP_STAT_ZSWPOUT' undeclared (first use in this function) > 178 | count_mthp_stat(folio_order(folio), MTHP_STAT_ZSWPOUT); > | ^~~~~~~~~~~~~~~~~ > mm/page_io.c:178:53: note: each undeclared identifier is reported only once for each function it appears in > cc1: some warnings being treated as errors i believe this has been fixed by Ryan's latest cleanup https://lore.kernel.org/all/20240808111849.651867-2-ryan.roberts@xxxxxxx/ Kanchana, is your code on top of mm-unstable? > > > vim +/count_mthp_stat +178 mm/page_io.c > > 174 > 175 static inline void count_mthp_zswpout_vm_event(struct folio *folio) > 176 { > 177 if (IS_ENABLED(CONFIG_THP_SWAP)) > > 178 count_mthp_stat(folio_order(folio), MTHP_STAT_ZSWPOUT); > 179 } > 180 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki