Re: [PATCH V2 2/2] mm/mmap: Drop generic protection_map[] array

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

Hi Anshuman,

Thank you for the patch! Yet something to improve:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/mm-mmap-Drop-__SXXX-__PXXX-macros-from-across-platforms/20220613-133456
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
config: riscv-randconfig-r042-20220613 (https://download.01.org/0day-ci/archive/20220613/202206131716.tDWk9rLs-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 11.3.0
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://github.com/intel-lab-lkp/linux/commit/696f81b49f7b6316f652d795da4c0008efef4487
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Anshuman-Khandual/mm-mmap-Drop-__SXXX-__PXXX-macros-from-across-platforms/20220613-133456
        git checkout 696f81b49f7b6316f652d795da4c0008efef4487
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/mm/

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

All errors (new ones prefixed by >>):

>> arch/riscv/mm/init.c:1224:59: error: 'PAGE_NONE' undeclared here (not in a function); did you mean 'SIGEV_NONE'?
    1224 |         [VM_NONE]                                       = PAGE_NONE,
         |                                                           ^~~~~~~~~
         |                                                           SIGEV_NONE
>> arch/riscv/mm/init.c:1225:59: error: 'PAGE_READ' undeclared here (not in a function); did you mean 'MAY_READ'?
    1225 |         [VM_READ]                                       = PAGE_READ,
         |                                                           ^~~~~~~~~
         |                                                           MAY_READ
>> arch/riscv/mm/init.c:1226:59: error: 'PAGE_COPY' undeclared here (not in a function)
    1226 |         [VM_WRITE]                                      = PAGE_COPY,
         |                                                           ^~~~~~~~~
>> arch/riscv/mm/init.c:1228:59: error: 'PAGE_EXEC' undeclared here (not in a function); did you mean 'TASK_EXEC'?
    1228 |         [VM_EXEC]                                       = PAGE_EXEC,
         |                                                           ^~~~~~~~~
         |                                                           TASK_EXEC
>> arch/riscv/mm/init.c:1229:59: error: 'PAGE_READ_EXEC' undeclared here (not in a function); did you mean 'PAGE_KERNEL_EXEC'?
    1229 |         [VM_EXEC | VM_READ]                             = PAGE_READ_EXEC,
         |                                                           ^~~~~~~~~~~~~~
         |                                                           PAGE_KERNEL_EXEC
>> arch/riscv/mm/init.c:1230:59: error: 'PAGE_COPY_EXEC' undeclared here (not in a function); did you mean 'PAGE_KERNEL_EXEC'?
    1230 |         [VM_EXEC | VM_WRITE]                            = PAGE_COPY_EXEC,
         |                                                           ^~~~~~~~~~~~~~
         |                                                           PAGE_KERNEL_EXEC
>> arch/riscv/mm/init.c:1231:59: error: 'PAGE_COPY_READ_EXEC' undeclared here (not in a function)
    1231 |         [VM_EXEC | VM_WRITE | VM_READ]                  = PAGE_COPY_READ_EXEC,
         |                                                           ^~~~~~~~~~~~~~~~~~~
>> arch/riscv/mm/init.c:1238:59: error: 'PAGE_SHARED_EXEC' undeclared here (not in a function); did you mean 'PAGE_SHARED'?
    1238 |         [VM_SHARED | VM_EXEC | VM_WRITE]                = PAGE_SHARED_EXEC,
         |                                                           ^~~~~~~~~~~~~~~~
         |                                                           PAGE_SHARED


vim +1224 arch/riscv/mm/init.c

  1222	
  1223	pgprot_t protection_map[16] __ro_after_init = {
> 1224		[VM_NONE]					= PAGE_NONE,
> 1225		[VM_READ]					= PAGE_READ,
> 1226		[VM_WRITE]					= PAGE_COPY,
  1227		[VM_WRITE | VM_READ]				= PAGE_COPY,
> 1228		[VM_EXEC]					= PAGE_EXEC,
> 1229		[VM_EXEC | VM_READ]				= PAGE_READ_EXEC,
> 1230		[VM_EXEC | VM_WRITE]				= PAGE_COPY_EXEC,
> 1231		[VM_EXEC | VM_WRITE | VM_READ]			= PAGE_COPY_READ_EXEC,
  1232		[VM_SHARED]					= PAGE_NONE,
  1233		[VM_SHARED | VM_READ]				= PAGE_READ,
  1234		[VM_SHARED | VM_WRITE]				= PAGE_SHARED,
  1235		[VM_SHARED | VM_WRITE | VM_READ]		= PAGE_SHARED,
  1236		[VM_SHARED | VM_EXEC]				= PAGE_EXEC,
  1237		[VM_SHARED | VM_EXEC | VM_READ]			= PAGE_READ_EXEC,
> 1238		[VM_SHARED | VM_EXEC | VM_WRITE]		= PAGE_SHARED_EXEC,

-- 
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