tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: b81b1829e7e39f6cebdf6e4d5484eacbceda8554 commit: 536f4217ced62b671bd759f6b549621a5654a70f mm: page->mapping folio->mapping should have the same offset date: 2 weeks ago config: parisc-randconfig-r004-20220213 (https://download.01.org/0day-ci/archive/20220213/202202131932.diaqTbxo-lkp@xxxxxxxxx/config) compiler: hppa64-linux-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=536f4217ced62b671bd759f6b549621a5654a70f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 536f4217ced62b671bd759f6b549621a5654a70f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc prepare If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): 18 | if (!(word & (~0ul << 32))) { | ^~ include/asm-generic/bitops/__fls.h:20:22: warning: left shift count >= width of type [-Wshift-count-overflow] 20 | word <<= 32; | ^~~ include/asm-generic/bitops/__fls.h:23:28: warning: left shift count >= width of type [-Wshift-count-overflow] 23 | if (!(word & (~0ul << (BITS_PER_LONG-16)))) { | ^~ include/asm-generic/bitops/__fls.h:27:28: warning: left shift count >= width of type [-Wshift-count-overflow] 27 | if (!(word & (~0ul << (BITS_PER_LONG-8)))) { | ^~ include/asm-generic/bitops/__fls.h:31:28: warning: left shift count >= width of type [-Wshift-count-overflow] 31 | if (!(word & (~0ul << (BITS_PER_LONG-4)))) { | ^~ include/asm-generic/bitops/__fls.h:35:28: warning: left shift count >= width of type [-Wshift-count-overflow] 35 | if (!(word & (~0ul << (BITS_PER_LONG-2)))) { | ^~ include/asm-generic/bitops/__fls.h:39:28: warning: left shift count >= width of type [-Wshift-count-overflow] 39 | if (!(word & (~0ul << (BITS_PER_LONG-1)))) | ^~ In file included from arch/parisc/include/asm/bitops.h:201, from include/linux/bitops.h:33, from include/linux/kernel.h:22, from arch/parisc/include/asm/bug.h:5, from include/linux/bug.h:5, from include/linux/thread_info.h:13, from include/asm-generic/preempt.h:5, from ./arch/parisc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from arch/parisc/kernel/asm-offsets.c:18: include/asm-generic/bitops/__fls.h: In function '__fls': include/asm-generic/bitops/__fls.h:18:28: warning: left shift count >= width of type [-Wshift-count-overflow] 18 | if (!(word & (~0ul << 32))) { | ^~ include/asm-generic/bitops/__fls.h:20:22: warning: left shift count >= width of type [-Wshift-count-overflow] 20 | word <<= 32; | ^~~ include/asm-generic/bitops/__fls.h:23:28: warning: left shift count >= width of type [-Wshift-count-overflow] 23 | if (!(word & (~0ul << (BITS_PER_LONG-16)))) { | ^~ include/asm-generic/bitops/__fls.h:27:28: warning: left shift count >= width of type [-Wshift-count-overflow] 27 | if (!(word & (~0ul << (BITS_PER_LONG-8)))) { | ^~ include/asm-generic/bitops/__fls.h:31:28: warning: left shift count >= width of type [-Wshift-count-overflow] 31 | if (!(word & (~0ul << (BITS_PER_LONG-4)))) { | ^~ include/asm-generic/bitops/__fls.h:35:28: warning: left shift count >= width of type [-Wshift-count-overflow] 35 | if (!(word & (~0ul << (BITS_PER_LONG-2)))) { | ^~ include/asm-generic/bitops/__fls.h:39:28: warning: left shift count >= width of type [-Wshift-count-overflow] 39 | if (!(word & (~0ul << (BITS_PER_LONG-1)))) | ^~ In file included from arch/parisc/include/asm/processor.h:18, from arch/parisc/include/asm/thread_info.h:6, from include/linux/thread_info.h:60, from include/asm-generic/preempt.h:5, from ./arch/parisc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from arch/parisc/kernel/asm-offsets.c:18: arch/parisc/include/asm/pdc.h: At top level: arch/parisc/include/asm/pdc.h:77:24: warning: 'struct pdc_memory_table' declared inside parameter list will not be visible outside of this definition or declaration 77 | struct pdc_memory_table *tbl, unsigned long entries); | ^~~~~~~~~~~~~~~~ arch/parisc/include/asm/pdc.h:76:30: warning: 'struct pdc_memory_table_raddr' declared inside parameter list will not be visible outside of this definition or declaration 76 | int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr, | ^~~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/compiler_types.h:65, from <command-line>: include/linux/smp.h:34:33: error: requested alignment '20' is not a positive power of 2 34 | __aligned(sizeof(struct __call_single_data)); | ^~~~~~~~~~~~~~~~~~ include/linux/compiler_attributes.h:33:68: note: in definition of macro '__aligned' 33 | #define __aligned(x) __attribute__((__aligned__(x))) | ^ In file included from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/rculist.h:10, from include/linux/pid.h:5, from include/linux/sched.h:14, from arch/parisc/kernel/asm-offsets.c:18: include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, lru) == offsetof(struct folio, lru)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:263:1: note: in expansion of macro 'FOLIO_MATCH' 263 | FOLIO_MATCH(lru, lru); | ^~~~~~~~~~~ >> include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, mapping) == offsetof(struct folio, mapping)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:264:1: note: in expansion of macro 'FOLIO_MATCH' 264 | FOLIO_MATCH(mapping, mapping); | ^~~~~~~~~~~ include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, compound_head) == offsetof(struct folio, lru)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:265:1: note: in expansion of macro 'FOLIO_MATCH' 265 | FOLIO_MATCH(compound_head, lru); | ^~~~~~~~~~~ include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, index) == offsetof(struct folio, index)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:266:1: note: in expansion of macro 'FOLIO_MATCH' 266 | FOLIO_MATCH(index, index); | ^~~~~~~~~~~ include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, private) == offsetof(struct folio, private)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:267:1: note: in expansion of macro 'FOLIO_MATCH' 267 | FOLIO_MATCH(private, private); | ^~~~~~~~~~~ include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, _mapcount) == offsetof(struct folio, _mapcount)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:268:1: note: in expansion of macro 'FOLIO_MATCH' 268 | FOLIO_MATCH(_mapcount, _mapcount); | ^~~~~~~~~~~ include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, _refcount) == offsetof(struct folio, _refcount)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:269:1: note: in expansion of macro 'FOLIO_MATCH' 269 | FOLIO_MATCH(_refcount, _refcount); | ^~~~~~~~~~~ include/linux/build_bug.h:78:41: error: static assertion failed: "offsetof(struct page, memcg_data) == offsetof(struct folio, memcg_data)" 78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) | ^~~~~~~~~~~~~~ include/linux/build_bug.h:77:34: note: in expansion of macro '__static_assert' 77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) | ^~~~~~~~~~~~~~~ include/linux/mm_types.h:261:9: note: in expansion of macro 'static_assert' 261 | static_assert(offsetof(struct page, pg) == offsetof(struct folio, fl)) | ^~~~~~~~~~~~~ include/linux/mm_types.h:271:1: note: in expansion of macro 'FOLIO_MATCH' 271 | FOLIO_MATCH(memcg_data, memcg_data); | ^~~~~~~~~~~ In file included from include/linux/mm.h:33, from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from arch/parisc/kernel/asm-offsets.c:20: include/linux/pgtable.h: In function 'pud_index': include/linux/pgtable.h:77:25: warning: right shift count >= width of type [-Wshift-count-overflow] 77 | return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1); | ^~ include/linux/pgtable.h: In function 'pgd_offset_pgd': include/linux/pgtable.h:84:29: warning: right shift count >= width of type [-Wshift-count-overflow] 84 | #define pgd_index(a) (((a) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) | ^~ include/linux/pgtable.h:124:23: note: in expansion of macro 'pgd_index' 124 | return (pgd + pgd_index(address)); | ^~~~~~~~~ In file included from include/linux/stringhash.h:7, from include/linux/dcache.h:15, vim +78 include/linux/build_bug.h bc6245e5efd70c Ian Abbott 2017-07-10 60 6bab69c65013be Rasmus Villemoes 2019-03-07 61 /** 6bab69c65013be Rasmus Villemoes 2019-03-07 62 * static_assert - check integer constant expression at build time 6bab69c65013be Rasmus Villemoes 2019-03-07 63 * 6bab69c65013be Rasmus Villemoes 2019-03-07 64 * static_assert() is a wrapper for the C11 _Static_assert, with a 6bab69c65013be Rasmus Villemoes 2019-03-07 65 * little macro magic to make the message optional (defaulting to the 6bab69c65013be Rasmus Villemoes 2019-03-07 66 * stringification of the tested expression). 6bab69c65013be Rasmus Villemoes 2019-03-07 67 * 6bab69c65013be Rasmus Villemoes 2019-03-07 68 * Contrary to BUILD_BUG_ON(), static_assert() can be used at global 6bab69c65013be Rasmus Villemoes 2019-03-07 69 * scope, but requires the expression to be an integer constant 6bab69c65013be Rasmus Villemoes 2019-03-07 70 * expression (i.e., it is not enough that __builtin_constant_p() is 6bab69c65013be Rasmus Villemoes 2019-03-07 71 * true for expr). 6bab69c65013be Rasmus Villemoes 2019-03-07 72 * 6bab69c65013be Rasmus Villemoes 2019-03-07 73 * Also note that BUILD_BUG_ON() fails the build if the condition is 6bab69c65013be Rasmus Villemoes 2019-03-07 74 * true, while static_assert() fails the build if the expression is 6bab69c65013be Rasmus Villemoes 2019-03-07 75 * false. 6bab69c65013be Rasmus Villemoes 2019-03-07 76 */ 6bab69c65013be Rasmus Villemoes 2019-03-07 77 #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr) 6bab69c65013be Rasmus Villemoes 2019-03-07 @78 #define __static_assert(expr, msg, ...) _Static_assert(expr, msg) 6bab69c65013be Rasmus Villemoes 2019-03-07 79 :::::: The code at line 78 was first introduced by commit :::::: 6bab69c65013bed5fce9f101a64a84d0385b3946 build_bug.h: add wrapper for _Static_assert :::::: TO: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
