Hi Mike, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 51551d71edbc998fd8c8afa7312db3d270f5998e commit: 03d7e648fa25961bb92e920e7962710aa72fb409 [225/293] loongarch: drop ranges for definition of ARCH_FORCE_MAX_ORDER config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20230323/202303232056.LpwXNsoL-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=03d7e648fa25961bb92e920e7962710aa72fb409 git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git git fetch --no-tags akpm-mm mm-unstable git checkout 03d7e648fa25961bb92e920e7962710aa72fb409 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303232056.LpwXNsoL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from <command-line>: mm/huge_memory.c: In function 'hugepage_init': >> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_357' declared with attribute error: BUILD_BUG_ON failed: ((14 + (14 - 3))-14) > -1 397 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:378:25: note: in definition of macro '__compiletime_assert' 378 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:397:9: note: in expansion of macro '_compiletime_assert' 397 | _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) | ^~~~~~~~~~~~~~~~ include/linux/bug.h:24:25: note: in expansion of macro 'BUILD_BUG_ON' 24 | BUILD_BUG_ON(cond); \ | ^~~~~~~~~~~~ mm/huge_memory.c:470:9: note: in expansion of macro 'MAYBE_BUILD_BUG_ON' 470 | MAYBE_BUILD_BUG_ON(HPAGE_PMD_ORDER > MAX_ORDER); | ^~~~~~~~~~~~~~~~~~ vim +/__compiletime_assert_357 +397 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 383 eb5c2d4b45e3d2 Will Deacon 2020-07-21 384 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 385 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 386 eb5c2d4b45e3d2 Will Deacon 2020-07-21 387 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 388 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 389 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 390 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 391 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 392 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 393 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 394 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 395 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 396 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @397 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 398 :::::: The code at line 397 was first introduced by commit :::::: eb5c2d4b45e3d2d5d052ea6b8f1463976b1020d5 compiler.h: Move compiletime_assert() macros into compiler_types.h :::::: TO: Will Deacon <will@xxxxxxxxxx> :::::: CC: Will Deacon <will@xxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
