tree: git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git for-6.1/fit_rcu_head head: 2af0ec317dc8f99f0620af23ff6c288bb6f49be5 commit: 2af0ec317dc8f99f0620af23ff6c288bb6f49be5 [2/2] mm/sl[au]b: rearrange struct slab fields to allow larger rcu_head config: i386-randconfig-a002 (https://download.01.org/0day-ci/archive/20220910/202209101614.lMCcS0Zj-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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/vbabka/slab.git/commit/?id=2af0ec317dc8f99f0620af23ff6c288bb6f49be5 git remote add vbabka-slab git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab.git git fetch --no-tags vbabka-slab for-6.1/fit_rcu_head git checkout 2af0ec317dc8f99f0620af23ff6c288bb6f49be5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from mm/mempool.c:21: >> mm/slab.h:94:1: error: static_assert failed due to requirement '((__builtin_offsetof(struct slab, counters)) & ((unsigned int)(16) - 1)) == 0' "IS_ALIGNED(offsetof(struct slab, counters), 16)" static_assert(IS_ALIGNED(offsetof(struct slab, counters), 16)); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: expanded from macro 'static_assert' #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:78:41: note: expanded from macro '__static_assert' #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) ^ ~~~~ 1 error generated. vim +94 mm/slab.h 90 91 #undef SLAB_MATCH 92 static_assert(sizeof(struct slab) <= sizeof(struct page)); 93 #if defined(CONFIG_HAVE_CMPXCHG_DOUBLE) && defined(CONFIG_SLUB) > 94 static_assert(IS_ALIGNED(offsetof(struct slab, counters), 16)); 95 #endif 96 -- 0-DAY CI Kernel Test Service https://01.org/lkp
