linux-kernel - debug_vm_pgtable.c:undefined reference to `pmd_set

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Message-ID: <202111121300.4DWxAB54-lkp@intel.com>
Date:   Fri, 12 Nov 2021 13:18:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Will Deacon <will@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>
Subject: debug_vm_pgtable.c:undefined reference to `pmd_set_huge'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   5833291ab6de9c3e2374336b51c814e515e8f3a5
commit: d8a719059b9dc963aa190598778ac804ff3e6a87 Revert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge"
date:   4 months ago
config: powerpc-randconfig-s032-20210930 (attached as .config)
compiler: powerpc-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d8a719059b9dc963aa190598778ac804ff3e6a87
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout d8a719059b9dc963aa190598778ac804ff3e6a87
        # save the attached .config to linux build tree
        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@...el.com>

All errors (new ones prefixed by >>):

   powerpc-linux-ld: mm/debug_vm_pgtable.o: in function `pmd_huge_tests':
>> debug_vm_pgtable.c:(.init.text+0x198): undefined reference to `pmd_set_huge'
   powerpc-linux-ld: mm/debug_vm_pgtable.o: in function `pud_huge_tests':
>> debug_vm_pgtable.c:(.init.text+0x2a4): undefined reference to `pud_set_huge'

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (30717 bytes)