tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 4f3e012d4cfd1d9bf837870c961f462ca9f23ebe commit: 8b07e88e36961c4785dd13dbdbb5d7977b458940 [12061/12283] mm: shmem: fix khugepaged activation policy for shmem config: loongarch-randconfig-s042-20221209 (https://download.01.org/0day-ci/archive/20240917/202409171905.9gqKNeeL-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240917/202409171905.9gqKNeeL-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/202409171905.9gqKNeeL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): loongarch64-linux-ld: mm/khugepaged.o: in function `hugepage_pmd_enabled': >> mm/khugepaged.c:435:(.text+0x2338): undefined reference to `shmem_hpage_pmd_enabled' vim +435 mm/khugepaged.c 415 416 static bool hugepage_pmd_enabled(void) 417 { 418 /* 419 * We cover the anon, shmem and the file-backed case here; file-backed 420 * hugepages, when configured in, are determined by the global control. 421 * Anon pmd-sized hugepages are determined by the pmd-size control. 422 * Shmem pmd-sized hugepages are also determined by its pmd-size control, 423 * except when the global shmem_huge is set to SHMEM_HUGE_DENY. 424 */ 425 if (IS_ENABLED(CONFIG_READ_ONLY_THP_FOR_FS) && 426 hugepage_global_enabled()) 427 return true; 428 if (test_bit(PMD_ORDER, &huge_anon_orders_always)) 429 return true; 430 if (test_bit(PMD_ORDER, &huge_anon_orders_madvise)) 431 return true; 432 if (test_bit(PMD_ORDER, &huge_anon_orders_inherit) && 433 hugepage_global_enabled()) 434 return true; > 435 if (shmem_hpage_pmd_enabled()) 436 return true; 437 return false; 438 } 439 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki