10:30 p.m.
tree: https://github.com/hnaz/linux-mm master
head: 31e523f69aa14a1f4ba298c63034d8dc62c4aae7
commit: d2d94dec619e0ab7f6805f3bc6e7932d71bfe765 [92/304] mm: move page-writeback sysctls
to their own file
config: powerpc64-randconfig-s032-20220213
(https://download.01.org/0day-ci/archive/20220213/202202131948.o0qQogUI-lk...)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
#
https://github.com/hnaz/linux-mm/commit/d2d94dec619e0ab7f6805f3bc6e7932d7...
git remote add hnaz-mm https://github.com/hnaz/linux-mm
git fetch --no-tags hnaz-mm master
git checkout d2d94dec619e0ab7f6805f3bc6e7932d71bfe765
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc
SHELL=/bin/bash
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 >>):
mm/page-writeback.c:2002:12: error: 'dirty_writeback_centisecs_handler' defined
but not used [-Werror=unused-function]
2002 | static int dirty_writeback_centisecs_handler(struct ctl_table *table, int
write,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page-writeback.c:545:12: error: 'dirty_bytes_handler' defined but not used
[-Werror=unused-function]
545 | static int dirty_bytes_handler(struct ctl_table *table, int write,
| ^~~~~~~~~~~~~~~~~~~
mm/page-writeback.c:531:12: error: 'dirty_ratio_handler' defined but not used
[-Werror=unused-function]
531 | static int dirty_ratio_handler(struct ctl_table *table, int write, void
*buffer,
| ^~~~~~~~~~~~~~~~~~~
mm/page-writeback.c:520:12: error: 'dirty_background_bytes_handler' defined but
not used [-Werror=unused-function]
520 | static int dirty_background_bytes_handler(struct ctl_table *table, int write,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mm/page-writeback.c:509:12: error: 'dirty_background_ratio_handler' defined but
not used [-Werror=unused-function]
509 | static int dirty_background_ratio_handler(struct ctl_table *table, int write,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> mm/page-writeback.c:93:28: error: 'dirty_bytes_min'
defined but not used [-Werror=unused-const-variable=]
93 | static const
unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
| ^~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
vim +/dirty_bytes_min +93 mm/page-writeback.c
91
92 /* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
93 static const unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
94
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org