Re: [PATCH v3 11/11] selftests/mm: add PMD swap entry tests

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

Hi Usama,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/Usama-Arif/mm-add-PMD-swap-entry-detection-support/20260704-014151
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20260703173903.3789516-12-usama.arif%40linux.dev
patch subject: [PATCH v3 11/11] selftests/mm: add PMD swap entry tests
config: riscv-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260704/202607040838.eEdmRDmU-lkp@intel.com/config)
compiler: riscv64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260704/202607040838.eEdmRDmU-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/202607040838.eEdmRDmU-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from ./include/linux/pgtable.h:6,
                    from ./include/linux/mm.h:31,
                    from arch/riscv/kernel/asm-offsets.c:9:
   ./arch/riscv/include/asm/pgtable.h: In function 'pmd_swp_exclusive':
>> ./arch/riscv/include/asm/pgtable.h:935:16: error: implicit declaration of function 'pte_swp_exclusive'; did you mean 'pmd_swp_exclusive'? [-Wimplicit-function-declaration]
     935 |         return pte_swp_exclusive(pmd_pte(pmd));
         |                ^~~~~~~~~~~~~~~~~
         |                pmd_swp_exclusive
   ./arch/riscv/include/asm/pgtable.h: In function 'pmd_swp_mkexclusive':
>> ./arch/riscv/include/asm/pgtable.h:940:24: error: implicit declaration of function 'pte_swp_mkexclusive'; did you mean 'pmd_swp_mkexclusive'? [-Wimplicit-function-declaration]
     940 |         return pte_pmd(pte_swp_mkexclusive(pmd_pte(pmd)));
         |                        ^~~~~~~~~~~~~~~~~~~
         |                        pmd_swp_mkexclusive
>> ./arch/riscv/include/asm/pgtable.h:940:24: error: incompatible type for argument 1 of 'pte_pmd'
     940 |         return pte_pmd(pte_swp_mkexclusive(pmd_pte(pmd)));
         |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                        |
         |                        int
   ./arch/riscv/include/asm/pgtable.h:758:35: note: expected 'pte_t' but argument is of type 'int'
     758 | static inline pmd_t pte_pmd(pte_t pte)
         |                             ~~~~~~^~~
   ./arch/riscv/include/asm/pgtable.h: In function 'pmd_swp_clear_exclusive':
>> ./arch/riscv/include/asm/pgtable.h:945:24: error: implicit declaration of function 'pte_swp_clear_exclusive'; did you mean 'pmd_swp_clear_exclusive'? [-Wimplicit-function-declaration]
     945 |         return pte_pmd(pte_swp_clear_exclusive(pmd_pte(pmd)));
         |                        ^~~~~~~~~~~~~~~~~~~~~~~
         |                        pmd_swp_clear_exclusive
   ./arch/riscv/include/asm/pgtable.h:945:24: error: incompatible type for argument 1 of 'pte_pmd'
     945 |         return pte_pmd(pte_swp_clear_exclusive(pmd_pte(pmd)));
         |                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                        |
         |                        int
   ./arch/riscv/include/asm/pgtable.h:758:35: note: expected 'pte_t' but argument is of type 'int'
     758 | static inline pmd_t pte_pmd(pte_t pte)
         |                             ~~~~~~^~~
   ./arch/riscv/include/asm/pgtable.h: At top level:
>> ./arch/riscv/include/asm/pgtable.h:1218:20: error: conflicting types for 'pte_swp_exclusive'; have 'bool(pte_t)' {aka '_Bool(pte_t)'}
    1218 | static inline bool pte_swp_exclusive(pte_t pte)
         |                    ^~~~~~~~~~~~~~~~~
   ./arch/riscv/include/asm/pgtable.h:935:16: note: previous implicit declaration of 'pte_swp_exclusive' with type 'int()'
     935 |         return pte_swp_exclusive(pmd_pte(pmd));
         |                ^~~~~~~~~~~~~~~~~
>> ./arch/riscv/include/asm/pgtable.h:1223:21: error: conflicting types for 'pte_swp_mkexclusive'; have 'pte_t(pte_t)'
    1223 | static inline pte_t pte_swp_mkexclusive(pte_t pte)
         |                     ^~~~~~~~~~~~~~~~~~~
   ./arch/riscv/include/asm/pgtable.h:940:24: note: previous implicit declaration of 'pte_swp_mkexclusive' with type 'int()'
     940 |         return pte_pmd(pte_swp_mkexclusive(pmd_pte(pmd)));
         |                        ^~~~~~~~~~~~~~~~~~~
>> ./arch/riscv/include/asm/pgtable.h:1228:21: error: conflicting types for 'pte_swp_clear_exclusive'; have 'pte_t(pte_t)'
    1228 | static inline pte_t pte_swp_clear_exclusive(pte_t pte)
         |                     ^~~~~~~~~~~~~~~~~~~~~~~
   ./arch/riscv/include/asm/pgtable.h:945:24: note: previous implicit declaration of 'pte_swp_clear_exclusive' with type 'int()'
     945 |         return pte_pmd(pte_swp_clear_exclusive(pmd_pte(pmd)));
         |                        ^~~~~~~~~~~~~~~~~~~~~~~


vim +935 ./arch/riscv/include/asm/pgtable.h

   932	
   933	static inline bool pmd_swp_exclusive(pmd_t pmd)
   934	{
 > 935		return pte_swp_exclusive(pmd_pte(pmd));
   936	}
   937	
   938	static inline pmd_t pmd_swp_mkexclusive(pmd_t pmd)
   939	{
 > 940		return pte_pmd(pte_swp_mkexclusive(pmd_pte(pmd)));
   941	}
   942	
   943	static inline pmd_t pmd_swp_clear_exclusive(pmd_t pmd)
   944	{
 > 945		return pte_pmd(pte_swp_clear_exclusive(pmd_pte(pmd)));
   946	}
   947	

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