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Subject[akpm-mm:mm-unstable 244/249] mm/memory-failure.c:1679:59: error: 'SUBPAGE_INDEX_HWPOISON' undeclared
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@intel.com/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@intel.com>

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

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