Hi Levi, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v6.5-rc3 next-20230728] [cannot apply to sj/damon/next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Levi-Yun/damon-Use-pmdp_get-instead-of-drect-dereferencing-pmd/20230728-024044 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230727183745.682880-1-ppbuk5246%40gmail.com patch subject: [PATCH] damon: Use pmdp_get instead of drect dereferencing pmd. config: i386-randconfig-i016-20230727 (https://download.01.org/0day-ci/archive/20230728/202307281532.pVsrTsL2-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230728/202307281532.pVsrTsL2-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/202307281532.pVsrTsL2-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): mm/damon/vaddr.c: In function 'damon_young_pmd_entry': >> mm/damon/vaddr.c:440:15: warning: unused variable 'pmde' [-Wunused-variable] 440 | pmd_t pmde; | ^~~~ vim +/pmde +440 mm/damon/vaddr.c 434 435 static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr, 436 unsigned long next, struct mm_walk *walk) 437 { 438 pte_t *pte; 439 pte_t ptent; > 440 pmd_t pmde; 441 spinlock_t *ptl; 442 struct folio *folio; 443 struct damon_young_walk_private *priv = walk->private; 444 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
