12:25 p.m.
Hi David,
[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on kdave/for-next]
[also build test ERROR on ext4/dev fuse/for-next xfs-linux/for-next tip/perf/core
linux/master linus/master v5.12-rc6 next-20210408]
[cannot apply to hnaz-linux-mm/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/David-Howells/mm-Split-page_has_...
base: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-next
config: s390-debug_defconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
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://github.com/0day-ci/linux/commit/a00a255f7bf637156368e8545b2c64e39...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
David-Howells/mm-Split-page_has_private-in-two-to-better-handle-PG_private_2/20210409-051632
git checkout a00a255f7bf637156368e8545b2c64e39c93718b
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
arch/s390/kernel/uv.c: In function 'expected_page_refs':
> arch/s390/kernel/uv.c:178:7: error: implicit declaration of
function 'page_has_private'; did you mean 'page_private'?
[-Werror=implicit-function-declaration]
178 | if (page_has_private(page))
| ^~~~~~~~~~~~~~~~
| page_private
cc1: some warnings being treated as errors
vim +178 arch/s390/kernel/uv.c
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 162
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 163 /*
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 164 * Calculate the expected ref_count for a
page that would otherwise have no
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 165 * further pins. This was cribbed from
similar functions in other places in
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 166 * the kernel, but with some slight
modifications. We know that a secure
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 167 * page can not be a huge page for
example.
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 168 */
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 169 static int expected_page_refs(struct page
*page)
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 170 {
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 171 int res;
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 172
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 173 res = page_mapcount(page);
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 174 if (PageSwapCache(page)) {
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 175 res++;
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 176 } else if (page_mapping(page)) {
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 177 res++;
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 @178 if (page_has_private(page))
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 179 res++;
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 180 }
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 181 return res;
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 182 }
214d9bbcd3a672 Claudio Imbrenda 2020-01-21 183
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org