[akpm-mm:mm-new 98/98] include/linux/compiler_types.h:568:38: error: call to '__compiletime_assert_279' declared with attribute error: BUILD_BUG_ON failed: ARRAY_SIZE(block_desc) > MAX_TABLE_SIZE

[akpm-mm:mm-new 98/98] include/linux/compiler_types.h:568:38: error: call to '__compiletime_assert_279' declared with attribute error: BUILD_BUG_ON failed: ARRAY_SIZE(block_desc) > MAX_TABLE_SIZE

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head:   4e5e9d156393a3e06172b0c5962644c96c6f7f7c
commit: 4e5e9d156393a3e06172b0c5962644c96c6f7f7c [98/98] mm: add zblock allocator
config: sparc64-randconfig-2001-20250802 (https://download.01.org/0day-ci/archive/20250802/202508020214.8pUMOfI1-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 9.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250802/202508020214.8pUMOfI1-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/202508020214.8pUMOfI1-lkp@intel.com/

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

   In file included from mm/zblock.c:29:
>> mm/zblock.h:21:2: warning: #warning This PAGE_SIZE is not quite supported yet [-Wcpp]
      21 | #warning This PAGE_SIZE is not quite supported yet
         |  ^~~~~~~
   In file included from <command-line>:
   In function 'create_rbtree',
       inlined from 'init_zblock' at mm/zblock.c:450:12:
>> include/linux/compiler_types.h:568:38: error: call to '__compiletime_assert_279' declared with attribute error: BUILD_BUG_ON failed: ARRAY_SIZE(block_desc) > MAX_TABLE_SIZE
     568 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |                                      ^
   include/linux/compiler_types.h:549:4: note: in definition of macro '__compiletime_assert'
     549 |    prefix ## suffix();    \
         |    ^~~~~~
   include/linux/compiler_types.h:568:2: note: in expansion of macro '_compiletime_assert'
     568 |  _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
         |  ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
      39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
         |                                     ^~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
      50 |  BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
         |  ^~~~~~~~~~~~~~~~
   mm/zblock.c:415:2: note: in expansion of macro 'BUILD_BUG_ON'
     415 |  BUILD_BUG_ON(ARRAY_SIZE(block_desc) > MAX_TABLE_SIZE);
         |  ^~~~~~~~~~~~


vim +/__compiletime_assert_279 +568 include/linux/compiler_types.h

eb5c2d4b45e3d2 Will Deacon 2020-07-21  554  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  555  #define _compiletime_assert(condition, msg, prefix, suffix) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21  556  	__compiletime_assert(condition, msg, prefix, suffix)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  557  
eb5c2d4b45e3d2 Will Deacon 2020-07-21  558  /**
eb5c2d4b45e3d2 Will Deacon 2020-07-21  559   * compiletime_assert - break build and emit msg if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  560   * @condition: a compile-time constant condition to check
eb5c2d4b45e3d2 Will Deacon 2020-07-21  561   * @msg:       a message to emit if condition is false
eb5c2d4b45e3d2 Will Deacon 2020-07-21  562   *
eb5c2d4b45e3d2 Will Deacon 2020-07-21  563   * In tradition of POSIX assert, this macro will break the build if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  564   * supplied condition is *false*, emitting the supplied error message if the
eb5c2d4b45e3d2 Will Deacon 2020-07-21  565   * compiler has support to do so.
eb5c2d4b45e3d2 Will Deacon 2020-07-21  566   */
eb5c2d4b45e3d2 Will Deacon 2020-07-21  567  #define compiletime_assert(condition, msg) \
eb5c2d4b45e3d2 Will Deacon 2020-07-21 @568  	_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
eb5c2d4b45e3d2 Will Deacon 2020-07-21  569  

:::::: The code at line 568 was first introduced by commit
:::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h

:::::: TO: Will Deacon <will@kernel.org>
:::::: CC: Will Deacon <will@kernel.org>

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