Hi Matthew, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.9-rc4] [cannot apply to next-20240418] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Matthew-Wilcox-Oracle/ntfs3-Convert-ntfs_read_folio-to-use-a-folio/20240418-011140 base: linus/master patch link: https://lore.kernel.org/r/20240417170941.797116-9-willy%40infradead.org patch subject: [PATCH 08/10] ntfs3: Use a folio to read UpCase config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20240419/202404190823.2p1A9tNE-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240419/202404190823.2p1A9tNE-lkp@xxxxxxxxx/reproduce) 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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404190823.2p1A9tNE-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/pagemap.h:11, from lib/buildid.c:7: include/linux/highmem.h: In function 'memcpy_from_folio_le16': >> include/linux/highmem.h:484:22: error: 'i' undeclared (first use in this function) 484 | for (i = 0; i < chunk / sizeof(*to); i++) | ^ include/linux/highmem.h:484:22: note: each undeclared identifier is reported only once for each function it appears in -- In file included from include/linux/bvec.h:10, from include/linux/skbuff.h:17, from include/linux/tcp.h:17, from include/linux/ipv6.h:101, from include/net/addrconf.h:61, from lib/vsprintf.c:41: include/linux/highmem.h: In function 'memcpy_from_folio_le16': >> include/linux/highmem.h:484:22: error: 'i' undeclared (first use in this function) 484 | for (i = 0; i < chunk / sizeof(*to); i++) | ^ include/linux/highmem.h:484:22: note: each undeclared identifier is reported only once for each function it appears in lib/vsprintf.c: In function 'va_format': lib/vsprintf.c:1683:9: warning: function 'va_format' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1683 | buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va); | ^~~ vim +/i +484 include/linux/highmem.h 469 470 #ifdef __BIG_ENDIAN 471 static inline void memcpy_from_folio_le16(u16 *to, struct folio *folio, 472 size_t offset, size_t len) 473 { 474 VM_BUG_ON(offset + len > folio_size(folio)); 475 476 do { 477 const __le16 *from = kmap_local_folio(folio, offset); 478 size_t chunk = len; 479 480 if (folio_test_highmem(folio) && 481 chunk > PAGE_SIZE - offset_in_page(offset)) 482 chunk = PAGE_SIZE - offset_in_page(offset); 483 > 484 for (i = 0; i < chunk / sizeof(*to); i++) 485 *to++ = le16_to_cpu(*from++); 486 kunmap_local(from); 487 488 to += chunk / sizeof(*to); 489 offset += chunk; 490 len -= chunk; 491 } while (len > 0); 492 } 493 #else 494 static inline void memcpy_from_folio_le16(u16 *to, struct folio *folio, 495 size_t offset, size_t len) 496 { 497 memcpy_from_folio((char *)to, folio, offset, len); 498 } 499 #endif 500 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
