Hi Minchan, I love your patch! Perhaps something to improve: [auto build test WARNING on hnaz-linux-mm/master] url: https://github.com/0day-ci/linux/commits/Minchan-Kim/mm-page_alloc-dump-migrate-failed-pages/20210309-042205 base: https://github.com/hnaz/linux-mm master config: i386-randconfig-s001-20210309 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.3-262-g5e674421-dirty # https://github.com/0day-ci/linux/commit/3c635af37b862e9c601ee8d5818f7da9cd3e2e57 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Minchan-Kim/mm-page_alloc-dump-migrate-failed-pages/20210309-042205 git checkout 3c635af37b862e9c601ee8d5818f7da9cd3e2e57 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> "sparse warnings: (new ones prefixed by >>)" >> mm/page_alloc.c:8348:5: sparse: sparse: symbol 'alloc_contig_ratelimit' was not declared. Should it be static? >> mm/page_alloc.c:8353:6: sparse: sparse: symbol 'dump_migrate_failure_pages' was not declared. Should it be static? mm/page_alloc.c: note: in included file (through include/linux/mm.h): include/linux/gfp.h:325:27: sparse: sparse: restricted gfp_t degrades to integer include/linux/gfp.h:325:27: sparse: sparse: restricted gfp_t degrades to integer include/linux/gfp.h:325:27: sparse: sparse: restricted gfp_t degrades to integer include/linux/gfp.h:325:27: sparse: sparse: restricted gfp_t degrades to integer Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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