On Sat, Dec 17, 2022 at 8:46 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Yafang, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on akpm-mm/mm-everything] > > url: https://github.com/intel-lab-lkp/linux/commits/Yafang-Shao/mm-page_ext-split-page_ext-flags/20221217-190044 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/20221217105833.24851-3-laoar.shao%40gmail.com > patch subject: [PATCH -mm 2/2] mm: page_idle: split 32bit page_idle's flag from the common flags > config: arc-randconfig-r001-20221217 > compiler: arceb-elf-gcc (GCC) 12.1.0 > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://github.com/intel-lab-lkp/linux/commit/b2ccea224a74e091007c4c772b78b8163bb11b6c > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Yafang-Shao/mm-page_ext-split-page_ext-flags/20221217-190044 > git checkout b2ccea224a74e091007c4c772b78b8163bb11b6c > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > arceb-elf-ld: mm/filemap.o: in function `get_page_idle': > include/linux/page_idle.h:24: undefined reference to `page_idle_ops' > >> arceb-elf-ld: include/linux/page_idle.h:24: undefined reference to `page_idle_ops' > arceb-elf-ld: mm/swap.o: in function `get_page_idle': > include/linux/page_idle.h:24: undefined reference to `page_idle_ops' > >> arceb-elf-ld: include/linux/page_idle.h:24: undefined reference to `page_idle_ops' > arceb-elf-ld: mm/rmap.o: in function `get_page_idle': > include/linux/page_idle.h:24: undefined reference to `page_idle_ops' > arceb-elf-ld: mm/rmap.o:include/linux/page_idle.h:24: more undefined references to `page_idle_ops' follow > > -- > 0-DAY CI Kernel Test Service > https://01.org/lkp Ah, because of CONFIG_IDLE_PAGE_TRACKING=n, and mm/page_idle.c is for page_idle_tracking only but not for page_idle_flag ... Will update it in the next version. Thanks for the report. -- Regards Yafang
