Hi Kirill,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
url: https://github.com/intel-lab-lkp/linux/commits/Kirill-A-Shutemov/mm-Fix-vmst... base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20250529103832.2937460-1-kirill.shutemov%40linux.i... patch subject: [PATCH] mm: Fix vmstat after removing NR_BOUNCE config: m68k-allnoconfig (https://download.01.org/0day-ci/archive/20250529/202505291930.NDyeQ06g-lkp@i...) compiler: m68k-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250529/202505291930.NDyeQ06g-lkp@i...)
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/202505291930.NDyeQ06g-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from <command-line>: mm/vmstat.c: In function 'vmstat_start':
include/linux/compiler_types.h:563:45: error: call to '__compiletime_assert_318' declared with attribute error: BUILD_BUG_ON failed: ARRAY_SIZE(vmstat_text) < NR_VMSTAT_ITEMS
563 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:544:25: note: in definition of macro '__compiletime_assert' 544 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:563:9: note: in expansion of macro '_compiletime_assert' 563 | _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:50:9: note: in expansion of macro 'BUILD_BUG_ON_MSG' 50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) | ^~~~~~~~~~~~~~~~ mm/vmstat.c:1872:9: note: in expansion of macro 'BUILD_BUG_ON' 1872 | BUILD_BUG_ON(ARRAY_SIZE(vmstat_text) < NR_VMSTAT_ITEMS); | ^~~~~~~~~~~~
vim +/__compiletime_assert_318 +563 include/linux/compiler_types.h
eb5c2d4b45e3d2 Will Deacon 2020-07-21 549 eb5c2d4b45e3d2 Will Deacon 2020-07-21 550 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 551 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 552 eb5c2d4b45e3d2 Will Deacon 2020-07-21 553 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 554 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 555 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 556 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 557 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 558 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 559 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 560 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 561 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 562 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @563 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 564