linux-kernel - arch/riscv/include/asm/hugetlb.h:15:42: error: static declaration of 'arch_hugetlb_migration_supported' follows non-static declaration

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Date: Sun, 11 Feb 2024 02:36:37 +0800
From: kernel test robot <lkp@...el.com>
To: Alexandre Ghiti <alexghiti@...osinc.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Palmer Dabbelt <palmer@...osinc.com>
Subject: arch/riscv/include/asm/hugetlb.h:15:42: error: static declaration of
 'arch_hugetlb_migration_supported' follows non-static declaration

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a5b6244cf87c50358f5562b8f07f7ac35fc7f6b0
commit: ce68c035457bdd025a9961e0ba2157323090c581 riscv: Fix arch_hugetlb_migration_supported() for NAPOT
date:   3 days ago
config: riscv-buildonly-randconfig-r005-20220804 (https://download.01.org/0day-ci/archive/20240211/202402110258.CV51JlEI-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240211/202402110258.CV51JlEI-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402110258.CV51JlEI-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/hugetlb.h:851,
                    from kernel/fork.c:52:
>> arch/riscv/include/asm/hugetlb.h:15:42: error: static declaration of 'arch_hugetlb_migration_supported' follows non-static declaration
      15 | #define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/hugetlb.h:916:20: note: in expansion of macro 'arch_hugetlb_migration_supported'
     916 | static inline bool arch_hugetlb_migration_supported(struct hstate *h)
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/hugetlb.h:14:6: note: previous declaration of 'arch_hugetlb_migration_supported' with type 'bool(struct hstate *)' {aka '_Bool(struct hstate *)'}
      14 | bool arch_hugetlb_migration_supported(struct hstate *h);
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/hugetlb.h:851,
                    from arch/riscv/mm/hugetlbpage.c:2:
>> arch/riscv/include/asm/hugetlb.h:15:42: error: static declaration of 'arch_hugetlb_migration_supported' follows non-static declaration
      15 | #define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/hugetlb.h:916:20: note: in expansion of macro 'arch_hugetlb_migration_supported'
     916 | static inline bool arch_hugetlb_migration_supported(struct hstate *h)
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/hugetlb.h:14:6: note: previous declaration of 'arch_hugetlb_migration_supported' with type 'bool(struct hstate *)' {aka '_Bool(struct hstate *)'}
      14 | bool arch_hugetlb_migration_supported(struct hstate *h);
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/include/asm/hugetlb.h:15:42: error: redefinition of 'arch_hugetlb_migration_supported'
      15 | #define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/mm/hugetlbpage.c:429:6: note: in expansion of macro 'arch_hugetlb_migration_supported'
     429 | bool arch_hugetlb_migration_supported(struct hstate *h)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/include/asm/hugetlb.h:15:42: note: previous definition of 'arch_hugetlb_migration_supported' with type 'bool(struct hstate *)' {aka '_Bool(struct hstate *)'}
      15 | #define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
         |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/hugetlb.h:916:20: note: in expansion of macro 'arch_hugetlb_migration_supported'
     916 | static inline bool arch_hugetlb_migration_supported(struct hstate *h)
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/arch_hugetlb_migration_supported +15 arch/riscv/include/asm/hugetlb.h

    13	
    14	bool arch_hugetlb_migration_supported(struct hstate *h);
  > 15	#define arch_hugetlb_migration_supported arch_hugetlb_migration_supported
    16	

-- 
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