Re: [PATCH v1 09/20] arm64: define VM_PKEY_BIT* for arm64

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

Hi Joey,

kernel test robot noticed the following build errors:

[auto build test ERROR on arm64/for-next/core]
[also build test ERROR on linus/master v6.6-rc3 next-20230929]
[cannot apply to akpm-mm/mm-everything kvmarm/next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Joey-Gouly/arm64-sysreg-add-system-register-POR_EL-0-1/20230927-221459
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
patch link:    https://lore.kernel.org/r/20230927140123.5283-10-joey.gouly%40arm.com
patch subject: [PATCH v1 09/20] arm64: define VM_PKEY_BIT* for arm64
config: arm64-randconfig-001-20230930 (https://download.01.org/0day-ci/archive/20230930/202309301944.jGh1qzvm-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230930/202309301944.jGh1qzvm-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/202309301944.jGh1qzvm-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from fs/proc/meminfo.c:5:
   arch/arm64/include/asm/mman.h: In function 'arch_calc_vm_prot_bits':
>> include/linux/mm.h:346:25: error: 'VM_HIGH_ARCH_2' undeclared (first use in this function)
     346 | # define VM_PKEY_BIT0   VM_HIGH_ARCH_2  /* A protection key is a 3-bit value on arm64 */
         |                         ^~~~~~~~~~~~~~
   arch/arm64/include/asm/mman.h:20:29: note: in expansion of macro 'VM_PKEY_BIT0'
      20 |         ret |= pkey & 0x1 ? VM_PKEY_BIT0 : 0;
         |                             ^~~~~~~~~~~~
   include/linux/mm.h:346:25: note: each undeclared identifier is reported only once for each function it appears in
     346 | # define VM_PKEY_BIT0   VM_HIGH_ARCH_2  /* A protection key is a 3-bit value on arm64 */
         |                         ^~~~~~~~~~~~~~
   arch/arm64/include/asm/mman.h:20:29: note: in expansion of macro 'VM_PKEY_BIT0'
      20 |         ret |= pkey & 0x1 ? VM_PKEY_BIT0 : 0;
         |                             ^~~~~~~~~~~~
>> include/linux/mm.h:347:25: error: 'VM_HIGH_ARCH_3' undeclared (first use in this function)
     347 | # define VM_PKEY_BIT1   VM_HIGH_ARCH_3
         |                         ^~~~~~~~~~~~~~
   arch/arm64/include/asm/mman.h:21:29: note: in expansion of macro 'VM_PKEY_BIT1'
      21 |         ret |= pkey & 0x2 ? VM_PKEY_BIT1 : 0;
         |                             ^~~~~~~~~~~~
>> include/linux/mm.h:348:25: error: 'VM_HIGH_ARCH_4' undeclared (first use in this function)
     348 | # define VM_PKEY_BIT2   VM_HIGH_ARCH_4
         |                         ^~~~~~~~~~~~~~
   arch/arm64/include/asm/mman.h:22:29: note: in expansion of macro 'VM_PKEY_BIT2'
      22 |         ret |= pkey & 0x4 ? VM_PKEY_BIT2 : 0;
         |                             ^~~~~~~~~~~~


vim +/VM_HIGH_ARCH_2 +346 include/linux/mm.h

   343	
   344	#if defined(CONFIG_ARM64)
   345	# define VM_PKEY_SHIFT	VM_HIGH_ARCH_BIT_2
 > 346	# define VM_PKEY_BIT0	VM_HIGH_ARCH_2	/* A protection key is a 3-bit value on arm64 */
 > 347	# define VM_PKEY_BIT1	VM_HIGH_ARCH_3
 > 348	# define VM_PKEY_BIT2	VM_HIGH_ARCH_4
   349	# define VM_PKEY_BIT3	0
   350	# define VM_PKEY_BIT4	0
   351	#endif
   352	

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