[linux-next:master 5151/5527] include/linux/compiler.h:350:38: error: call to '__compiletime_assert_1659' declared with attribute error: BUILD_BUG_ON failed: stat_items_size != ARRAY_SIZE(vmstat_text) * sizeof(unsigned long)

* [linux-next:master 5151/5527] include/linux/compiler.h:350:38: error: call to '__compiletime_assert_1659' declared with attribute error: BUILD_BUG_ON failed: stat_items_size != ARRAY_SIZE(vmstat_text) * sizeof(unsigned long)
@ 2019-10-21 21:19 ` kbuild test robot
  0 siblings, 0 replies; 2+ messages in thread
From: kbuild test robot @ 2019-10-21 21:19 UTC (permalink / raw)
  To: Konstantin Khlebnikov
  Cc: kbuild-all, Andrew Morton, Linux Memory Management List

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   a6fcdcd94927a1b24dea6a9951ffa7c64545ecfb
commit: 2fdf561910a950f072cf08546fe719ac7c60c28d [5151/5527] mm/memcontrol: use vmstat names for printing statistics
config: x86_64-randconfig-f004-201942 (attached as .config)
compiler: gcc-7 (Debian 7.4.0-14) 7.4.0
reproduce:
        git checkout 2fdf561910a950f072cf08546fe719ac7c60c28d
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   In file included from include/linux/export.h:44:0,
                    from include/linux/linkage.h:7,
                    from include/linux/fs.h:5,
                    from mm/vmstat.c:13:
   mm/vmstat.c: In function 'vmstat_start':
>> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_1659' declared with attribute error: BUILD_BUG_ON failed: stat_items_size != ARRAY_SIZE(vmstat_text) * sizeof(unsigned long)
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
                                         ^
   include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert'
       prefix ## suffix();    \
       ^~~~~~
   include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
     _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
     ^~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
    #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'
     BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
     ^~~~~~~~~~~~~~~~
   mm/vmstat.c:1658:2: note: in expansion of macro 'BUILD_BUG_ON'
     BUILD_BUG_ON(stat_items_size !=
     ^~~~~~~~~~~~

vim +/__compiletime_assert_1659 +350 include/linux/compiler.h

9a8ab1c39970a4 Daniel Santos 2013-02-21  336  
9a8ab1c39970a4 Daniel Santos 2013-02-21  337  #define _compiletime_assert(condition, msg, prefix, suffix) \
9a8ab1c39970a4 Daniel Santos 2013-02-21  338  	__compiletime_assert(condition, msg, prefix, suffix)
9a8ab1c39970a4 Daniel Santos 2013-02-21  339  
9a8ab1c39970a4 Daniel Santos 2013-02-21  340  /**
9a8ab1c39970a4 Daniel Santos 2013-02-21  341   * compiletime_assert - break build and emit msg if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21  342   * @condition: a compile-time constant condition to check
9a8ab1c39970a4 Daniel Santos 2013-02-21  343   * @msg:       a message to emit if condition is false
9a8ab1c39970a4 Daniel Santos 2013-02-21  344   *
9a8ab1c39970a4 Daniel Santos 2013-02-21  345   * In tradition of POSIX assert, this macro will break the build if the
9a8ab1c39970a4 Daniel Santos 2013-02-21  346   * supplied condition is *false*, emitting the supplied error message if the
9a8ab1c39970a4 Daniel Santos 2013-02-21  347   * compiler has support to do so.
9a8ab1c39970a4 Daniel Santos 2013-02-21  348   */
9a8ab1c39970a4 Daniel Santos 2013-02-21  349  #define compiletime_assert(condition, msg) \
9a8ab1c39970a4 Daniel Santos 2013-02-21 @350  	_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
9a8ab1c39970a4 Daniel Santos 2013-02-21  351  

:::::: The code at line 350 was first introduced by commit
:::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG

:::::: TO: Daniel Santos <daniel.santos@pobox.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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