[rgushchin:page_counters.2 4/6] include/linux/page_counter.h:55:9: warning: 'MAX' macro redefined

[rgushchin:page_counters.2 4/6] include/linux/page_counter.h:55:9: warning: 'MAX' macro redefined

[kernel test robot]

tree:   https://github.com/rgushchin/linux.git page_counters.2
head:   c857fcebb4972e5493e7614c9fbcceceb016d5c6
commit: a8f2d92c5560e579201e8043df06af4b22e28e9b [4/6] mm: memcg: merge multiple page_counters into a single structure
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240718/202407181153.AdePy9ik-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240718/202407181153.AdePy9ik-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/202407181153.AdePy9ik-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   In file included from drivers/staging/media/atomisp/pci/sh_css_firmware.c:27:
   In file included from drivers/staging/media/atomisp//pci/runtime/debug/interface/ia_css_debug.h:25:
   In file included from drivers/staging/media/atomisp//pci/runtime/binary/interface/ia_css_binary.h:22:
   In file included from drivers/staging/media/atomisp//pci/ia_css_stream_format.h:24:
   In file included from drivers/staging/media/atomisp//pci/hive_isp_css_common/host/../../../include/linux/atomisp_platform.h:24:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:18:
>> include/linux/page_counter.h:55:9: warning: 'MAX' macro redefined [-Wmacro-redefined]
      55 | #define MAX(a, b) ((a) > (b) ? (a) : (b))
         |         ^
   drivers/staging/media/atomisp//pci/hive_isp_css_include/math_support.h:36:9: note: previous definition is here
      36 | #define MAX(a, b)            (((a) > (b)) ? (a) : (b))
         |         ^
   1 warning generated.
--
   In file included from drivers/staging/media/atomisp/pci/runtime/binary/src/binary.c:25:
   In file included from drivers/staging/media/atomisp//pci/runtime/binary/interface/ia_css_binary.h:22:
   In file included from drivers/staging/media/atomisp//pci/ia_css_stream_format.h:24:
   In file included from drivers/staging/media/atomisp//pci/hive_isp_css_common/host/../../../include/linux/atomisp_platform.h:24:
   In file included from include/linux/i2c.h:19:
   In file included from include/linux/regulator/consumer.h:35:
   In file included from include/linux/suspend.h:5:
   In file included from include/linux/swap.h:9:
   In file included from include/linux/memcontrol.h:18:
>> include/linux/page_counter.h:55:9: warning: 'MAX' macro redefined [-Wmacro-redefined]
      55 | #define MAX(a, b) ((a) > (b) ? (a) : (b))
         |         ^
   drivers/staging/media/atomisp//pci/hive_isp_css_include/math_support.h:36:9: note: previous definition is here
      36 | #define MAX(a, b)            (((a) > (b)) ? (a) : (b))
         |         ^
>> drivers/staging/media/atomisp/pci/runtime/binary/src/binary.c:103:24: error: call to undeclared function 'MAX'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     103 |         internal_res->width = __ISP_INTERNAL_WIDTH(isp_tmp_internal_width,
         |                               ^
   drivers/staging/media/atomisp//pci/sh_css_defs.h:310:22: note: expanded from macro '__ISP_INTERNAL_WIDTH'
     310 |         CEIL_MUL2(CEIL_MUL2(MAX(__ISP_PADDED_OUTPUT_WIDTH(out_width, \
         |                             ^
   1 warning and 1 error generated.


vim +/MAX +55 include/linux/page_counter.h

    54	
  > 55	#define MAX(a, b) ((a) > (b) ? (a) : (b))
    56	

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