[djbw-nvdimm:libnvdimm-pending 16/22] include/asm-generic/pgtable-nop4d.h:11:33: error: 'PGDIR_SHIFT' undeclared; did you mean 'PUD_SHIFT'?

[kernel test robot]

Hi Dan,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending
head:   91eb2dbfe9f923835245b3fbd3fb824bb204f4d5
commit: 1e2051e6215765d0f2663480742dd0afdb98c93f [16/22] devdax: Move address_space helpers to the DAX core
config: m68k-amcore_defconfig (https://download.01.org/0day-ci/archive/20220919/202209190746.tamxmZS8-lkp@xxxxxxxxx/config)
compiler: m68k-linux-gcc (GCC) 12.1.0
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://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git/commit/?id=1e2051e6215765d0f2663480742dd0afdb98c93f
        git remote add djbw-nvdimm https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git
        git fetch --no-tags djbw-nvdimm libnvdimm-pending
        git checkout 1e2051e6215765d0f2663480742dd0afdb98c93f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   In file included from mm/filemap.c:15:
   include/linux/dax.h: In function 'pe_order':
   include/linux/dax.h:324:24: error: 'PMD_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'?
     324 |                 return PMD_SHIFT - PAGE_SHIFT;
         |                        ^~~~~~~~~
         |                        PUD_SHIFT
   include/linux/dax.h:324:24: note: each undeclared identifier is reported only once for each function it appears in
   In file included from include/asm-generic/pgtable-nopud.h:7,
                    from arch/m68k/include/asm/pgtable_no.h:5,
                    from arch/m68k/include/asm/pgtable.h:3,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:29,
                    from include/linux/dax.h:6:
>> include/asm-generic/pgtable-nop4d.h:11:33: error: 'PGDIR_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'?
      11 | #define P4D_SHIFT               PGDIR_SHIFT
         |                                 ^~~~~~~~~~~
   include/asm-generic/pgtable-nopud.h:18:25: note: in expansion of macro 'P4D_SHIFT'
      18 | #define PUD_SHIFT       P4D_SHIFT
         |                         ^~~~~~~~~
   include/linux/dax.h:326:24: note: in expansion of macro 'PUD_SHIFT'
     326 |                 return PUD_SHIFT - PAGE_SHIFT;
         |                        ^~~~~~~~~
--
   In file included from fs/binfmt_elf_fdpic.c:37:
   include/linux/dax.h: In function 'pe_order':
   include/linux/dax.h:324:24: error: 'PMD_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'?
     324 |                 return PMD_SHIFT - PAGE_SHIFT;
         |                        ^~~~~~~~~
         |                        PUD_SHIFT
   include/linux/dax.h:324:24: note: each undeclared identifier is reported only once for each function it appears in
   In file included from include/asm-generic/pgtable-nopud.h:7,
                    from arch/m68k/include/asm/pgtable_no.h:5,
                    from arch/m68k/include/asm/pgtable.h:3,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:29,
                    from fs/binfmt_elf_fdpic.c:17:
>> include/asm-generic/pgtable-nop4d.h:11:33: error: 'PGDIR_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'?
      11 | #define P4D_SHIFT               PGDIR_SHIFT
         |                                 ^~~~~~~~~~~
   include/asm-generic/pgtable-nopud.h:18:25: note: in expansion of macro 'P4D_SHIFT'
      18 | #define PUD_SHIFT       P4D_SHIFT
         |                         ^~~~~~~~~
   include/linux/dax.h:326:24: note: in expansion of macro 'PUD_SHIFT'
     326 |                 return PUD_SHIFT - PAGE_SHIFT;
         |                        ^~~~~~~~~
   fs/binfmt_elf_fdpic.c: In function 'elf_fdpic_map_file':
   fs/binfmt_elf_fdpic.c:748:23: warning: variable 'load_addr' set but not used [-Wunused-but-set-variable]
     748 |         unsigned long load_addr, stop;
         |                       ^~~~~~~~~
   fs/binfmt_elf_fdpic.c: In function 'elf_fdpic_map_file_by_direct_mmap':
   fs/binfmt_elf_fdpic.c:1027:52: warning: variable 'excess1' set but not used [-Wunused-but-set-variable]
    1027 |                 unsigned long maddr, disp, excess, excess1;
         |                                                    ^~~~~~~


vim +11 include/asm-generic/pgtable-nop4d.h

048456dcf2c56a Kirill A. Shutemov 2017-03-09  10  
048456dcf2c56a Kirill A. Shutemov 2017-03-09 @11  #define P4D_SHIFT		PGDIR_SHIFT
048456dcf2c56a Kirill A. Shutemov 2017-03-09  12  #define PTRS_PER_P4D		1
048456dcf2c56a Kirill A. Shutemov 2017-03-09  13  #define P4D_SIZE		(1UL << P4D_SHIFT)
048456dcf2c56a Kirill A. Shutemov 2017-03-09  14  #define P4D_MASK		(~(P4D_SIZE-1))
048456dcf2c56a Kirill A. Shutemov 2017-03-09  15  

:::::: The code at line 11 was first introduced by commit
:::::: 048456dcf2c56ad6f6248e2899dda92fb6a613f6 asm-generic: introduce <asm-generic/pgtable-nop4d.h>

:::::: TO: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>

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