Hi Jinjiang, kernel test robot noticed the following build errors: [auto build test ERROR on next-20241204] url: https://github.com/intel-lab-lkp/linux/commits/Jinjiang-Tu/ovl-respect-underlying-filesystem-s-get_unmapped_area/20241205-224026 base: next-20241204 patch link: https://lore.kernel.org/r/20241205143038.3260233-1-tujinjiang%40huawei.com patch subject: [PATCH -next] ovl: respect underlying filesystem's get_unmapped_area() config: arm-randconfig-001-20241206 (https://download.01.org/0day-ci/archive/20241206/202412060524.5Ata5N0H-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241206/202412060524.5Ata5N0H-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/202412060524.5Ata5N0H-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): arm-linux-gnueabi-ld: fs/overlayfs/file.o: in function `ovl_get_unmapped_area': >> file.c:(.text+0x998): undefined reference to `__get_unmapped_area' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
