tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 10e0ea7796b38b1d35a6969966016d7a42d77b7f commit: c7fcbe1041758d0dedc32502609a73a22884d7b8 [13801/13880] mm: shmem: Merge shmem_alloc_hugefolio() with shmem_alloc_folio() config: arm64-randconfig-001-20240907 (https://download.01.org/0day-ci/archive/20240907/202409071355.c5MmsI6J-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240907/202409071355.c5MmsI6J-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/202409071355.c5MmsI6J-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from <command-line>: mm/shmem.c: In function 'shmem_alloc_folio.constprop.isra':

...

include/linux/compiler_types.h:451:45: error: call to '__compiletime_assert_465' declared with attribute error: BUILD_BUG failed 451 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^ include/linux/compiler_types.h:432:25: note: in definition of macro '__compiletime_assert' 432 | prefix ## suffix(); \ | ^~~~~~ include/linux/compiler_types.h:451:9: note: in expansion of macro '_compiletime_assert' 451 | _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/huge_mm.h:106:28: note: in expansion of macro 'BUILD_BUG' 106 | #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) | ^~~~~~~~~ include/linux/huge_mm.h:110:26: note: in expansion of macro 'HPAGE_PMD_SHIFT' 110 | #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) | ^~~~~~~~~~~~~~~ mm/shmem.c:1641:64: note: in expansion of macro 'HPAGE_PMD_ORDER' 1641 | folio = vma_alloc_folio(gfp, order, &pvma, 0, order == HPAGE_PMD_ORDER); | ^~~~~~~~~~~~~~~

vim +/__compiletime_assert_465 +451 include/linux/compiler_types.h eb5c2d4b45e3d2 Will Deacon 2020-07-21 437 eb5c2d4b45e3d2 Will Deacon 2020-07-21 438 #define _compiletime_assert(condition, msg, prefix, suffix) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 439 __compiletime_assert(condition, msg, prefix, suffix) eb5c2d4b45e3d2 Will Deacon 2020-07-21 440 eb5c2d4b45e3d2 Will Deacon 2020-07-21 441 /** eb5c2d4b45e3d2 Will Deacon 2020-07-21 442 * compiletime_assert - break build and emit msg if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 443 * @condition: a compile-time constant condition to check eb5c2d4b45e3d2 Will Deacon 2020-07-21 444 * @msg: a message to emit if condition is false eb5c2d4b45e3d2 Will Deacon 2020-07-21 445 * eb5c2d4b45e3d2 Will Deacon 2020-07-21 446 * In tradition of POSIX assert, this macro will break the build if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 447 * supplied condition is *false*, emitting the supplied error message if the eb5c2d4b45e3d2 Will Deacon 2020-07-21 448 * compiler has support to do so. eb5c2d4b45e3d2 Will Deacon 2020-07-21 449 */ eb5c2d4b45e3d2 Will Deacon 2020-07-21 450 #define compiletime_assert(condition, msg) \ eb5c2d4b45e3d2 Will Deacon 2020-07-21 @451 _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) eb5c2d4b45e3d2 Will Deacon 2020-07-21 452 :::::: The code at line 451 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> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki