[asahilinux:gpu/rust-wip 3/5] mm/shmem.c:96:8: warning: 'const' type qualifier on return type has no effect

[asahilinux:gpu/rust-wip 3/5] mm/shmem.c:96:8: warning: 'const' type qualifier on return type has no effect

[kernel test robot]

tree:   https://github.com/AsahiLinux/linux gpu/rust-wip
head:   add608c3e9db6e64e0cde5d883257d6fa6163bea
commit: 185978bc72854af761d4c55d648d7e0c237be725 [3/5] shmem: 16K on 4K hack
config: arm-randconfig-r046-20230628 (https://download.01.org/0day-ci/archive/20230629/202306290207.4pcekBLh-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230629/202306290207.4pcekBLh-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/202306290207.4pcekBLh-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> mm/shmem.c:96:8: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
      96 | static const unsigned long shmem_base_nr(struct address_space *mapping) {
         |        ^~~~~~
   1 warning generated.


vim +/const +96 mm/shmem.c

    95	
  > 96	static const unsigned long shmem_base_nr(struct address_space *mapping) {
    97		return 1L << mapping->order;
    98	}
    99	

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