Hi "Matthew, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20210409] [also build test ERROR on v5.12-rc6] [cannot apply to linux/master linus/master hnaz-linux-mm/master v5.12-rc6 v5.12-rc5 v5.12-rc4] [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] url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox-Oracle/Memory-Folios/20210410-031353 base: e99d8a8495175df8cb8b739f8cf9b0fc9d0cd3b5 config: powerpc-randconfig-r032-20210409 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project dd453a1389b6a7e6d9214b449d3c54981b1a89b6) 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 # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://github.com/0day-ci/linux/commit/5658a201516d2ed74a34c328e3b55f552d4861d8 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-Folios/20210410-031353 git checkout 5658a201516d2ed74a34c328e3b55f552d4861d8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:274:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, lru) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, lru) == offsetof(struct folio, lru)" FOLIO_MATCH(lru, lru); ^~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:275:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, compound_head) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, compound_head) == offsetof(struct folio, lru)" FOLIO_MATCH(compound_head, lru); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:276:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, index) == __builtin_offsetof(struct folio, index)' "offsetof(struct page, index) == offsetof(struct folio, index)" FOLIO_MATCH(index, index); ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:277:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, private) == __builtin_offsetof(struct folio, private)' "offsetof(struct page, private) == offsetof(struct folio, private)" FOLIO_MATCH(private, private); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:278:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _mapcount) == __builtin_offsetof(struct folio, _mapcount)' "offsetof(struct page, _mapcount) == offsetof(struct folio, _mapcount)" FOLIO_MATCH(_mapcount, _mapcount); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:279:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _refcount) == __builtin_offsetof(struct folio, _refcount)' "offsetof(struct page, _refcount) == offsetof(struct folio, _refcount)" FOLIO_MATCH(_refcount, _refcount); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:281:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, memcg_data) == __builtin_offsetof(struct folio, memcg_data)' "offsetof(struct page, memcg_data) == offsetof(struct folio, memcg_data)" FOLIO_MATCH(memcg_data, memcg_data); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:21: include/linux/mman.h:155:9: warning: division by zero is undefined [-Wdivision-by-zero] _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans' : ((x) & (bit1)) / ((bit1) / (bit2)))) ^ ~~~~~~~~~~~~~~~~~ include/linux/mman.h:156:9: warning: division by zero is undefined [-Wdivision-by-zero] _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans' : ((x) & (bit1)) / ((bit1) / (bit2)))) ^ ~~~~~~~~~~~~~~~~~ 2 warnings and 7 errors generated. -- error: no override and no default toolchain set init/Kconfig:70:warning: 'RUSTC_VERSION': number is invalid In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:274:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, lru) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, lru) == offsetof(struct folio, lru)" FOLIO_MATCH(lru, lru); ^~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:275:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, compound_head) == __builtin_offsetof(struct folio, lru)' "offsetof(struct page, compound_head) == offsetof(struct folio, lru)" FOLIO_MATCH(compound_head, lru); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:276:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, index) == __builtin_offsetof(struct folio, index)' "offsetof(struct page, index) == offsetof(struct folio, index)" FOLIO_MATCH(index, index); ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:277:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, private) == __builtin_offsetof(struct folio, private)' "offsetof(struct page, private) == offsetof(struct folio, private)" FOLIO_MATCH(private, private); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:278:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _mapcount) == __builtin_offsetof(struct folio, _mapcount)' "offsetof(struct page, _mapcount) == offsetof(struct folio, _mapcount)" FOLIO_MATCH(_mapcount, _mapcount); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:279:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, _refcount) == __builtin_offsetof(struct folio, _refcount)' "offsetof(struct page, _refcount) == offsetof(struct folio, _refcount)" FOLIO_MATCH(_refcount, _refcount); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:15: In file included from include/linux/radix-tree.h:19: In file included from include/linux/xarray.h:14: In file included from include/linux/gfp.h:6: In file included from include/linux/mmzone.h:21: >> include/linux/mm_types.h:281:1: error: static_assert failed due to requirement '__builtin_offsetof(struct page, memcg_data) == __builtin_offsetof(struct folio, memcg_data)' "offsetof(struct page, memcg_data) == offsetof(struct folio, memcg_data)" FOLIO_MATCH(memcg_data, memcg_data); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mm_types.h:272:2: note: expanded from macro 'FOLIO_MATCH' static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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) ^ ~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:21: include/linux/mman.h:155:9: warning: division by zero is undefined [-Wdivision-by-zero] _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans' : ((x) & (bit1)) / ((bit1) / (bit2)))) ^ ~~~~~~~~~~~~~~~~~ include/linux/mman.h:156:9: warning: division by zero is undefined [-Wdivision-by-zero] _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/mman.h:133:21: note: expanded from macro '_calc_vm_trans' : ((x) & (bit1)) / ((bit1) / (bit2)))) ^ ~~~~~~~~~~~~~~~~~ 2 warnings and 7 errors generated. make[2]: *** [scripts/Makefile.build:118: arch/powerpc/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1304: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:222: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +274 include/linux/mm_types.h 269 270 static_assert(sizeof(struct page) == sizeof(struct folio)); 271 #define FOLIO_MATCH(pg, fl) \ 272 static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) 273 FOLIO_MATCH(flags, flags); > 274 FOLIO_MATCH(lru, lru); > 275 FOLIO_MATCH(compound_head, lru); > 276 FOLIO_MATCH(index, index); > 277 FOLIO_MATCH(private, private); > 278 FOLIO_MATCH(_mapcount, _mapcount); > 279 FOLIO_MATCH(_refcount, _refcount); 280 #ifdef CONFIG_MEMCG > 281 FOLIO_MATCH(memcg_data, memcg_data); 282 #endif 283 #undef FOLIO_MATCH 284 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org