Hi Kefeng, kernel test robot noticed the following build errors: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on arm-perf/for-next/perf linus/master v6.5-rc4 next-20230731] [cannot apply to akpm-mm/mm-everything] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Kefeng-Wang/mm-hugetlb-use-flush_hugetlb_tlb_range-in-move_hugetlb_page_tables/20230731-154016 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20230731074829.79309-3-wangkefeng.wang%40huawei.com patch subject: [PATCH 2/4] mm: mremap: use flush_pmd_tlb_range() in move_normal_pmd() config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230731/202307312137.ormxuS5g-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230731/202307312137.ormxuS5g-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202307312137.ormxuS5g-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from <command-line>: In function 'move_normal_pmd', inlined from 'move_pgt_entry' at mm/mremap.c:463:11, inlined from 'move_page_tables' at mm/mremap.c:565:8: >> include/linux/compiler_types.h:397:45: error: call to '__compiletime_assert_338' declared with attribute error: BUILD_BUG failed 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:59:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' 59 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") | ^~~~~~~~~~~~~~~~ include/linux/pgtable.h:1415:49: note: in expansion of macro 'BUILD_BUG' 1415 | #define flush_pmd_tlb_range(vma, addr, end) BUILD_BUG() | ^~~~~~~~~ mm/mremap.c:287:9: note: in expansion of macro 'flush_pmd_tlb_range' 287 | flush_pmd_tlb_range(vma, old_addr, old_addr + PMD_SIZE); | ^~~~~~~~~~~~~~~~~~~ vim +/__compiletime_assert_338 +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 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
