[linux-next:master 6204/6884] dm.c:undefined reference to `set_dax_nocache'

[linux-next:master 6204/6884] dm.c:undefined reference to `set_dax_nocache'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   26d7d52b6253574d5b6fec16a93e1110d1489cef
commit: 5f97767a384ee9d0e6bb37e019218efa185d6d4a [6204/6884] dm: treat alloc_dax() -EOPNOTSUPP failure as non-fatal
config: csky-randconfig-r003-20220721 (https://download.01.org/0day-ci/archive/20240216/202402160420.e4QKwoGO-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240216/202402160420.e4QKwoGO-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402160420.e4QKwoGO-lkp@intel.com/

All errors (new ones prefixed by >>):

   csky-linux-ld: drivers/md/dm.o: in function `alloc_dev':
>> dm.c:(.text+0x35ea): undefined reference to `set_dax_nocache'
>> csky-linux-ld: dm.c:(.text+0x35f2): undefined reference to `set_dax_nomc'
>> csky-linux-ld: dm.c:(.text+0x36f0): undefined reference to `set_dax_nocache'
   csky-linux-ld: dm.c:(.text+0x36f4): undefined reference to `set_dax_nomc'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki