Hi Vishal, Thank you for the patch! Yet something to improve: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on next-20230123] [cannot apply to linus/master v6.2-rc5] [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/Vishal-Moola-Oracle/mm-Add-folio_estimated_mapcount/20230124-092349 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230124012210.13963-2-vishal.moola%40gmail.com patch subject: [PATCH mm-unstable v2 1/6] mm: Add folio_estimated_mapcount() config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230124/202301241100.GAjve4Wl-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/2ec1fab96da69cd5e71330186987468d7d1a2595 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vishal-Moola-Oracle/mm-Add-folio_estimated_mapcount/20230124-092349 git checkout 2ec1fab96da69cd5e71330186987468d7d1a2595 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=alpha olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=alpha prepare If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/alpha/include/asm/page.h:93, from include/linux/shm.h:6, from include/linux/sched.h:16, from arch/alpha/kernel/asm-offsets.c:10: include/linux/mm.h: In function 'folio_estimated_mapcount': >> include/asm-generic/memory_model.h:35:21: error: implicit declaration of function 'page_to_section'; did you mean 'present_section'? [-Werror=implicit-function-declaration] 35 | int __sec = page_to_section(__pg); \ | ^~~~~~~~~~~~~~~ include/asm-generic/memory_model.h:40:32: note: in definition of macro '__pfn_to_page' 40 | ({ unsigned long __pfn = (pfn); \ | ^~~ include/asm-generic/memory_model.h:52:21: note: in expansion of macro '__page_to_pfn' 52 | #define page_to_pfn __page_to_pfn | ^~~~~~~~~~~~~ include/linux/mm.h:216:38: note: in expansion of macro 'page_to_pfn' 216 | #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n)) | ^~~~~~~~~~~ include/linux/page-flags.h:286:33: note: in expansion of macro 'nth_page' 286 | #define folio_page(folio, n) nth_page(&(folio)->page, n) | ^~~~~~~~ include/linux/mm.h:918:30: note: in expansion of macro 'folio_page' 918 | return page_mapcount(folio_page(folio, 0)); | ^~~~~~~~~~ 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:1626:29: error: conflicting types for 'page_to_section'; have 'long unsigned int(const struct page *)' 1626 | static inline unsigned long page_to_section(const struct page *page) | ^~~~~~~~~~~~~~~ include/asm-generic/memory_model.h:35:21: note: previous implicit declaration of 'page_to_section' with type 'int()' 35 | int __sec = page_to_section(__pg); \ | ^~~~~~~~~~~~~~~ include/asm-generic/memory_model.h:40:32: note: in definition of macro '__pfn_to_page' 40 | ({ unsigned long __pfn = (pfn); \ | ^~~ include/asm-generic/memory_model.h:52:21: note: in expansion of macro '__page_to_pfn' 52 | #define page_to_pfn __page_to_pfn | ^~~~~~~~~~~~~ include/linux/mm.h:216:38: note: in expansion of macro 'page_to_pfn' 216 | #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n)) | ^~~~~~~~~~~ include/linux/page-flags.h:286:33: note: in expansion of macro 'nth_page' 286 | #define folio_page(folio, n) nth_page(&(folio)->page, n) | ^~~~~~~~ include/linux/mm.h:918:30: note: in expansion of macro 'folio_page' 918 | return page_mapcount(folio_page(folio, 0)); | ^~~~~~~~~~ arch/alpha/kernel/asm-offsets.c:15:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes] 15 | void foo(void) | ^~~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:114: arch/alpha/kernel/asm-offsets.s] Error 1 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:1286: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:242: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +1626 include/linux/mm.h bf4e8902ee5080 Daniel Kiper 2011-05-24 1625 aa462abe8aaf21 Ian Campbell 2011-08-17 @1626 static inline unsigned long page_to_section(const struct page *page) d41dee369bff3b Andy Whitcroft 2005-06-23 1627 { d41dee369bff3b Andy Whitcroft 2005-06-23 1628 return (page->flags >> SECTIONS_PGSHIFT) & SECTIONS_MASK; d41dee369bff3b Andy Whitcroft 2005-06-23 1629 } 308c05e35e3517 Christoph Lameter 2008-04-28 1630 #endif d41dee369bff3b Andy Whitcroft 2005-06-23 1631 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
