[mmotm:master 77/120] mm/madvise.c:359:7: error: implicit declaration of function 'pmd_young'; did you mean 'pte_young'?

[kbuild test robot <lkp@intel.com>]

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   79b3e476080beb7faf41bddd6c3d7059cd1a5f31
commit: 23063d3d6a3b47d555a70e9aa764ba5c49cb31bc [77/120] mm, madvise: introduce MADV_COLD
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
reproduce:
        git checkout 23063d3d6a3b47d555a70e9aa764ba5c49cb31bc
        # save the attached .config to linux build tree
        make ARCH=um SUBARCH=x86_64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   mm/madvise.c: In function 'madvise_cold_pte_range':
   mm/madvise.c:332:7: error: implicit declaration of function 'is_huge_zero_pmd'; did you mean 'is_huge_zero_pud'? [-Werror=implicit-function-declaration]
      if (is_huge_zero_pmd(orig_pmd))
          ^~~~~~~~~~~~~~~~
          is_huge_zero_pud
>> mm/madvise.c:359:7: error: implicit declaration of function 'pmd_young'; did you mean 'pte_young'? [-Werror=implicit-function-declaration]
      if (pmd_young(orig_pmd)) {
          ^~~~~~~~~
          pte_young
>> mm/madvise.c:361:15: error: implicit declaration of function 'pmd_mkold'; did you mean 'pte_mkold'? [-Werror=implicit-function-declaration]
       orig_pmd = pmd_mkold(orig_pmd);
                  ^~~~~~~~~
                  pte_mkold
>> mm/madvise.c:361:13: error: incompatible types when assigning to type 'pmd_t {aka struct <anonymous>}' from type 'int'
       orig_pmd = pmd_mkold(orig_pmd);
                ^
>> mm/madvise.c:363:4: error: implicit declaration of function 'set_pmd_at'; did you mean 'set_pte_at'? [-Werror=implicit-function-declaration]
       set_pmd_at(mm, addr, pmd, orig_pmd);
       ^~~~~~~~~~
       set_pte_at
   mm/madvise.c:367:3: error: implicit declaration of function 'test_and_clear_page_young'; did you mean 'test_and_clear_bit_le'? [-Werror=implicit-function-declaration]
      test_and_clear_page_young(page);
      ^~~~~~~~~~~~~~~~~~~~~~~~~
      test_and_clear_bit_le
   cc1: some warnings being treated as errors

vim +359 mm/madvise.c

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