Hi Matthew, kernel test robot noticed the following build errors: [auto build test ERROR on geert-m68k/for-next] [also build test ERROR on geert-m68k/for-linus uml/next linus/master v6.11-rc3 next-20240814] [cannot apply to uml/fixes] [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/mm-Introduce-a-common-definition-of-mk_pte/20240815-001852 base: https://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git for-next patch link: https://lore.kernel.org/r/20240814154427.162475-2-willy%40infradead.org patch subject: [PATCH 1/5] mm: Introduce a common definition of mk_pte() config: alpha-randconfig-r051-20240815 (https://download.01.org/0day-ci/archive/20240815/202408151008.zU4OfDoL-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240815/202408151008.zU4OfDoL-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/202408151008.zU4OfDoL-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/alpha/include/asm/page.h:89, from include/linux/shm.h:6, from include/linux/sched.h:23, from arch/alpha/kernel/asm-offsets.c:10: include/linux/pgtable.h: In function 'mk_pte': >> include/asm-generic/memory_model.h:47:21: error: implicit declaration of function 'page_to_section'; did you mean 'present_section'? [-Werror=implicit-function-declaration] 47 | int __sec = page_to_section(__pg); \ | ^~~~~~~~~~~~~~~ include/asm-generic/memory_model.h:64:21: note: in expansion of macro '__page_to_pfn' 64 | #define page_to_pfn __page_to_pfn | ^~~~~~~~~~~~~ include/linux/pgtable.h:47:24: note: in expansion of macro 'page_to_pfn' 47 | return pfn_pte(page_to_pfn(page), pgprot); | ^~~~~~~~~~~ In file included from include/linux/pid_namespace.h:7, from include/linux/ptrace.h:10, from arch/alpha/kernel/asm-offsets.c:11: include/linux/mm.h: At top level: >> include/linux/mm.h:1904:29: error: conflicting types for 'page_to_section'; have 'long unsigned int(const struct page *)' 1904 | static inline unsigned long page_to_section(const struct page *page) | ^~~~~~~~~~~~~~~ include/asm-generic/memory_model.h:47:21: note: previous implicit declaration of 'page_to_section' with type 'int()' 47 | int __sec = page_to_section(__pg); \ | ^~~~~~~~~~~~~~~ include/asm-generic/memory_model.h:64:21: note: in expansion of macro '__page_to_pfn' 64 | #define page_to_pfn __page_to_pfn | ^~~~~~~~~~~~~ include/linux/pgtable.h:47:24: note: in expansion of macro 'page_to_pfn' 47 | return pfn_pte(page_to_pfn(page), pgprot); | ^~~~~~~~~~~ cc1: some warnings being treated as errors make[3]: *** [scripts/Makefile.build:117: arch/alpha/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1208: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:240: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:240: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +47 include/asm-generic/memory_model.h 8f6aac419bd590f Christoph Lameter 2007-10-16 39 a117e66ed45ac05 KAMEZAWA Hiroyuki 2006-03-27 40 #elif defined(CONFIG_SPARSEMEM) a117e66ed45ac05 KAMEZAWA Hiroyuki 2006-03-27 41 /* 1a49123b3434615 Zhang Yanfei 2013-10-03 42 * Note: section's mem_map is encoded to reflect its start_pfn. a117e66ed45ac05 KAMEZAWA Hiroyuki 2006-03-27 43 * section[i].section_mem_map == mem_map's address - start_pfn; a117e66ed45ac05 KAMEZAWA Hiroyuki 2006-03-27 44 */ 67de648211fa041 Andy Whitcroft 2006-06-23 45 #define __page_to_pfn(pg) \ aa462abe8aaf219 Ian Campbell 2011-08-17 46 ({ const struct page *__pg = (pg); \ a117e66ed45ac05 KAMEZAWA Hiroyuki 2006-03-27 @47 int __sec = page_to_section(__pg); \ f05b6284ee5d3be Randy Dunlap 2007-02-10 48 (unsigned long)(__pg - __section_mem_map_addr(__nr_to_section(__sec))); \ a117e66ed45ac05 KAMEZAWA Hiroyuki 2006-03-27 49 }) a117e66ed45ac05 KAMEZAWA Hiroyuki 2006-03-27 50 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
