tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: ce4dc6b0378ef1bd305c37c94fb8aabee4c5be04 commit: 43906a2b9553df7799daed304529a6920e97f9e8 [244/249] mm, hwpoison, hugetlb: support saving mechanism of raw error pages config: parisc-randconfig-r014-20220703 (https://download.01.org/0day-ci/archive/20220704/202207041434.cdFm3q6k-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 11.3.0 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://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=43906a2b9553df7799daed304529a6920e97f9e8 git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git git fetch --no-tags akpm-mm mm-unstable git checkout 43906a2b9553df7799daed304529a6920e97f9e8 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=parisc 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 >>): In file included from include/linux/mmzone.h:21, from include/linux/gfp.h:6, from include/linux/mm.h:7, from mm/memory-failure.c:37: mm/memory-failure.c: In function 'raw_hwp_list_head': >> mm/memory-failure.c:1679:59: error: 'SUBPAGE_INDEX_HWPOISON' undeclared (first use in this function) 1679 | return (struct llist_head *)&page_private(hpage + SUBPAGE_INDEX_HWPOISON); | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:334:43: note: in definition of macro 'page_private' 334 | #define page_private(page) ((page)->private) | ^~~~ mm/memory-failure.c:1679:59: note: each undeclared identifier is reported only once for each function it appears in 1679 | return (struct llist_head *)&page_private(hpage + SUBPAGE_INDEX_HWPOISON); | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:334:43: note: in definition of macro 'page_private' 334 | #define page_private(page) ((page)->private) | ^~~~ mm/memory-failure.c:1680:1: error: control reaches end of non-void function [-Werror=return-type] 1680 | } | ^ cc1: some warnings being treated as errors vim +/SUBPAGE_INDEX_HWPOISON +1679 mm/memory-failure.c 1676 1677 static inline struct llist_head *raw_hwp_list_head(struct page *hpage) 1678 { > 1679 return (struct llist_head *)&page_private(hpage + SUBPAGE_INDEX_HWPOISON); 1680 } 1681 -- 0-DAY CI Kernel Test Service https://01.org/lkp