Hi "Matthew, Thank you for the patch! Yet something to improve: [auto build test ERROR on next-20210505] [cannot apply to hnaz-linux-mm/master xfs-linux/for-next tip/perf/core shaggy/jfs-next block/for-next linus/master asm-generic/master v5.12 v5.12-rc8 v5.12-rc7 v5.12] [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/20210506-014108 base: 29955e0289b3255c5f609a7564a0f0bb4ae35c7a config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 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://github.com/0day-ci/linux/commit/2104ef87cf0390e2def04a508c79a664b4a4fcc4 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Matthew-Wilcox-Oracle/Memory-folios/20210506-014108 git checkout 2104ef87cf0390e2def04a508c79a664b4a4fcc4 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/ia64/include/asm/cacheflush.h:31, from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from arch/ia64/kernel/asm-offsets.c:10: include/asm-generic/cacheflush.h: In function 'flush_dcache_folio': >> include/asm-generic/cacheflush.h:61:19: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration] 61 | unsigned int n = folio_nr_pages(folio); | ^~~~~~~~~~~~~~ | folio_page In file included from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from arch/ia64/kernel/asm-offsets.c:10: >> include/asm-generic/cacheflush.h:65:21: error: implicit declaration of function 'nth_page' [-Werror=implicit-function-declaration] 65 | flush_dcache_page(nth_page(&folio->page, n)); | ^~~~~~~~ arch/ia64/include/asm/cacheflush.h:18:25: note: in definition of macro 'flush_dcache_page' 18 | clear_bit(PG_arch_1, &(page)->flags); \ | ^~~~ >> arch/ia64/include/asm/cacheflush.h:18:30: error: invalid type argument of '->' (have 'int') 18 | clear_bit(PG_arch_1, &(page)->flags); \ | ^~ include/asm-generic/cacheflush.h:65:3: note: in expansion of macro 'flush_dcache_page' 65 | flush_dcache_page(nth_page(&folio->page, n)); | ^~~~~~~~~~~~~~~~~ arch/ia64/kernel/asm-offsets.c: At top level: arch/ia64/kernel/asm-offsets.c:23:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes] 23 | void foo(void) | ^~~ cc1: some warnings being treated as errors -- In file included from arch/ia64/include/asm/cacheflush.h:31, from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from arch/ia64/kernel/asm-offsets.c:10: include/asm-generic/cacheflush.h: In function 'flush_dcache_folio': >> include/asm-generic/cacheflush.h:61:19: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration] 61 | unsigned int n = folio_nr_pages(folio); | ^~~~~~~~~~~~~~ | folio_page In file included from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from arch/ia64/kernel/asm-offsets.c:10: >> include/asm-generic/cacheflush.h:65:21: error: implicit declaration of function 'nth_page' [-Werror=implicit-function-declaration] 65 | flush_dcache_page(nth_page(&folio->page, n)); | ^~~~~~~~ arch/ia64/include/asm/cacheflush.h:18:25: note: in definition of macro 'flush_dcache_page' 18 | clear_bit(PG_arch_1, &(page)->flags); \ | ^~~~ >> arch/ia64/include/asm/cacheflush.h:18:30: error: invalid type argument of '->' (have 'int') 18 | clear_bit(PG_arch_1, &(page)->flags); \ | ^~ include/asm-generic/cacheflush.h:65:3: note: in expansion of macro 'flush_dcache_page' 65 | flush_dcache_page(nth_page(&folio->page, n)); | ^~~~~~~~~~~~~~~~~ arch/ia64/kernel/asm-offsets.c: At top level: arch/ia64/kernel/asm-offsets.c:23:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes] 23 | void foo(void) | ^~~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:118: arch/ia64/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1313: prepare0] Error 2 make[1]: Target 'modules_prepare' not remade because of errors. make: *** [Makefile:222: __sub-make] Error 2 make: Target 'modules_prepare' not remade because of errors. -- error: no override and no default toolchain set init/Kconfig:70:warning: 'RUSTC_VERSION': number is invalid In file included from arch/ia64/include/asm/cacheflush.h:31, from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from arch/ia64/kernel/asm-offsets.c:10: include/asm-generic/cacheflush.h: In function 'flush_dcache_folio': >> include/asm-generic/cacheflush.h:61:19: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration] 61 | unsigned int n = folio_nr_pages(folio); | ^~~~~~~~~~~~~~ | folio_page In file included from arch/ia64/include/asm/pgtable.h:153, from include/linux/pgtable.h:6, from arch/ia64/include/asm/uaccess.h:40, from include/linux/uaccess.h:11, from include/linux/sched/task.h:11, from include/linux/sched/signal.h:9, from arch/ia64/kernel/asm-offsets.c:10: >> include/asm-generic/cacheflush.h:65:21: error: implicit declaration of function 'nth_page' [-Werror=implicit-function-declaration] 65 | flush_dcache_page(nth_page(&folio->page, n)); | ^~~~~~~~ arch/ia64/include/asm/cacheflush.h:18:25: note: in definition of macro 'flush_dcache_page' 18 | clear_bit(PG_arch_1, &(page)->flags); \ | ^~~~ >> arch/ia64/include/asm/cacheflush.h:18:30: error: invalid type argument of '->' (have 'int') 18 | clear_bit(PG_arch_1, &(page)->flags); \ | ^~ include/asm-generic/cacheflush.h:65:3: note: in expansion of macro 'flush_dcache_page' 65 | flush_dcache_page(nth_page(&folio->page, n)); | ^~~~~~~~~~~~~~~~~ arch/ia64/kernel/asm-offsets.c: At top level: arch/ia64/kernel/asm-offsets.c:23:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes] 23 | void foo(void) | ^~~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:118: arch/ia64/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1313: 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 +61 include/asm-generic/cacheflush.h 57 58 #ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO 59 static inline void flush_dcache_folio(struct folio *folio) 60 { > 61 unsigned int n = folio_nr_pages(folio); 62 63 do { 64 n--; > 65 flush_dcache_page(nth_page(&folio->page, n)); 66 } while (n); 67 } 68 #endif 69 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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