Hi Vishal, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on next-20230417] [cannot apply to s390/features powerpc/next powerpc/fixes geert-m68k/for-next geert-m68k/for-linus linus/master v6.3-rc7] [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/s390-Use-_pt_s390_gaddr-for-gmap-address-tracking/20230418-045832 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20230417205048.15870-13-vishal.moola%40gmail.com patch subject: [PATCH 12/33] mm: Create ptdesc equivalents for pgtable_{pte,pmd}_page_{ctor,dtor} config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230418/202304180959.YFCTfVKw-lkp@xxxxxxxxx/config) compiler: sh4-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/d53de56a2dbf659b53aee1aa2eac60bcc936f10b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vishal-Moola-Oracle/s390-Use-_pt_s390_gaddr-for-gmap-address-tracking/20230418-045832 git checkout d53de56a2dbf659b53aee1aa2eac60bcc936f10b # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh prepare If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304180959.YFCTfVKw-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from arch/sh/kernel/asm-offsets.c:14: include/linux/mm.h: In function 'virt_to_ptdesc': include/linux/mm.h:2723:16: error: implicit declaration of function 'page_ptdesc' [-Werror=implicit-function-declaration] 2723 | return page_ptdesc(virt_to_head_page(x)); | ^~~~~~~~~~~ include/linux/mm.h:2723:16: warning: returning 'int' from a function with return type 'struct ptdesc *' makes pointer from integer without a cast [-Wint-conversion] 2723 | return page_ptdesc(virt_to_head_page(x)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/sh/include/asm/thread_info.h:13, from include/linux/thread_info.h:60, from include/asm-generic/preempt.h:5, from ./arch/sh/include/generated/asm/preempt.h:1, from include/linux/preempt.h:78, from include/linux/spinlock.h:56, from include/linux/mmzone.h:8, from include/linux/gfp.h:7, from include/linux/mm.h:7: include/linux/mm.h: In function 'ptdesc_to_virt': include/linux/mm.h:2728:29: error: implicit declaration of function 'ptdesc_page'; did you mean 'pte_page'? [-Werror=implicit-function-declaration] 2728 | return page_to_virt(ptdesc_page(pt)); | ^~~~~~~~~~~ arch/sh/include/asm/page.h:139:27: note: in definition of macro '___va' 139 | #define ___va(x) ((x)+PAGE_OFFSET) | ^ include/linux/mm.h:117:25: note: in expansion of macro '__va' 117 | #define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x))) | ^~~~ include/linux/mm.h:117:30: note: in expansion of macro 'PFN_PHYS' 117 | #define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x))) | ^~~~~~~~ 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/mm.h:2728:16: note: in expansion of macro 'page_to_virt' 2728 | return page_to_virt(ptdesc_page(pt)); | ^~~~~~~~~~~~ include/asm-generic/memory_model.h:46:35: warning: initialization of 'const struct page *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 46 | ({ const struct page *__pg = (pg); \ | ^ arch/sh/include/asm/page.h:139:27: note: in definition of macro '___va' 139 | #define ___va(x) ((x)+PAGE_OFFSET) | ^ include/linux/mm.h:117:25: note: in expansion of macro '__va' 117 | #define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x))) | ^~~~ include/linux/mm.h:117:30: note: in expansion of macro 'PFN_PHYS' 117 | #define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x))) | ^~~~~~~~ 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/mm.h:117:39: note: in expansion of macro 'page_to_pfn' 117 | #define page_to_virt(x) __va(PFN_PHYS(page_to_pfn(x))) | ^~~~~~~~~~~ include/linux/mm.h:2728:16: note: in expansion of macro 'page_to_virt' 2728 | return page_to_virt(ptdesc_page(pt)); | ^~~~~~~~~~~~ include/linux/mm.h: In function 'ptdesc_address': include/linux/mm.h:2733:30: error: implicit declaration of function 'ptdesc_folio'; did you mean 'page_folio'? [-Werror=implicit-function-declaration] 2733 | return folio_address(ptdesc_folio(pt)); | ^~~~~~~~~~~~ | page_folio include/linux/mm.h:2733:30: warning: passing argument 1 of 'folio_address' makes pointer from integer without a cast [-Wint-conversion] 2733 | return folio_address(ptdesc_folio(pt)); | ^~~~~~~~~~~~~~~~ | | | int include/linux/mm.h:2151:55: note: expected 'const struct folio *' but argument is of type 'int' 2151 | static inline void *folio_address(const struct folio *folio) | ~~~~~~~~~~~~~~~~~~~~^~~~~ include/linux/mm.h: In function 'ptdesc_is_reserved': include/linux/mm.h:2738:36: warning: passing argument 1 of 'folio_test_reserved' makes pointer from integer without a cast [-Wint-conversion] 2738 | return folio_test_reserved(ptdesc_folio(pt)); | ^~~~~~~~~~~~~~~~ | | | int In file included from include/linux/mmzone.h:23: include/linux/page-flags.h:375:62: note: expected 'struct folio *' but argument is of type 'int' 375 | static __always_inline bool folio_test_##lname(struct folio *folio) \ | ~~~~~~~~~~~~~~^~~~~ include/linux/page-flags.h:423:9: note: in expansion of macro 'TESTPAGEFLAG' 423 | TESTPAGEFLAG(uname, lname, policy) \ | ^~~~~~~~~~~~ include/linux/page-flags.h:494:1: note: in expansion of macro 'PAGEFLAG' 494 | PAGEFLAG(Reserved, reserved, PF_NO_COMPOUND) | ^~~~~~~~ include/linux/mm.h: In function 'ptdesc_alloc': include/linux/mm.h:2745:16: warning: returning 'int' from a function with return type 'struct ptdesc *' makes pointer from integer without a cast [-Wint-conversion] 2745 | return page_ptdesc(page); | ^~~~~~~~~~~~~~~~~ include/linux/mm.h: In function 'ptdesc_free': include/linux/mm.h:2750:29: warning: initialization of 'struct page *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 2750 | struct page *page = ptdesc_page(pt); | ^~~~~~~~~~~ include/linux/mm.h: In function 'ptdesc_pte_ctor': >> include/linux/mm.h:2826:31: warning: initialization of 'struct folio *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 2826 | struct folio *folio = ptdesc_folio(ptdesc); | ^~~~~~~~~~~~ include/linux/mm.h: In function 'pgtable_pte_page_ctor': include/linux/mm.h:2837:32: warning: passing argument 1 of 'ptdesc_pte_ctor' makes pointer from integer without a cast [-Wint-conversion] 2837 | return ptdesc_pte_ctor(page_ptdesc(page)); | ^~~~~~~~~~~~~~~~~ | | | int include/linux/mm.h:2824:51: note: expected 'struct ptdesc *' but argument is of type 'int' 2824 | static inline bool ptdesc_pte_ctor(struct ptdesc *ptdesc) | ~~~~~~~~~~~~~~~^~~~~~ include/linux/mm.h: In function 'ptdesc_pte_dtor': include/linux/mm.h:2842:31: warning: initialization of 'struct folio *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 2842 | struct folio *folio = ptdesc_folio(ptdesc); | ^~~~~~~~~~~~ include/linux/mm.h: In function 'pgtable_pte_page_dtor': include/linux/mm.h:2851:25: warning: passing argument 1 of 'ptdesc_pte_dtor' makes pointer from integer without a cast [-Wint-conversion] 2851 | ptdesc_pte_dtor(page_ptdesc(page)); | ^~~~~~~~~~~~~~~~~ | | | int include/linux/mm.h:2840:51: note: expected 'struct ptdesc *' but argument is of type 'int' 2840 | static inline void ptdesc_pte_dtor(struct ptdesc *ptdesc) | ~~~~~~~~~~~~~~~^~~~~~ include/linux/mm.h: In function 'ptdesc_pmd_ctor': include/linux/mm.h:2935:31: warning: initialization of 'struct folio *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 2935 | struct folio *folio = ptdesc_folio(ptdesc); | ^~~~~~~~~~~~ include/linux/mm.h: In function 'pgtable_pmd_page_ctor': include/linux/mm.h:2946:32: warning: passing argument 1 of 'ptdesc_pmd_ctor' makes pointer from integer without a cast [-Wint-conversion] 2946 | return ptdesc_pmd_ctor(page_ptdesc(page)); | ^~~~~~~~~~~~~~~~~ | | | int include/linux/mm.h:2933:51: note: expected 'struct ptdesc *' but argument is of type 'int' 2933 | static inline bool ptdesc_pmd_ctor(struct ptdesc *ptdesc) | ~~~~~~~~~~~~~~~^~~~~~ include/linux/mm.h: In function 'ptdesc_pmd_dtor': include/linux/mm.h:2951:31: warning: initialization of 'struct folio *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 2951 | struct folio *folio = ptdesc_folio(ptdesc); | ^~~~~~~~~~~~ include/linux/mm.h: In function 'pgtable_pmd_page_dtor': include/linux/mm.h:2960:25: warning: passing argument 1 of 'ptdesc_pmd_dtor' makes pointer from integer without a cast [-Wint-conversion] 2960 | ptdesc_pmd_dtor(page_ptdesc(page)); | ^~~~~~~~~~~~~~~~~ | | | int include/linux/mm.h:2949:51: note: expected 'struct ptdesc *' but argument is of type 'int' 2949 | static inline void ptdesc_pmd_dtor(struct ptdesc *ptdesc) | ~~~~~~~~~~~~~~~^~~~~~ include/linux/mm.h: In function 'free_reserved_ptdesc': include/linux/mm.h:3016:28: warning: passing argument 1 of 'free_reserved_page' makes pointer from integer without a cast [-Wint-conversion] 3016 | free_reserved_page(ptdesc_page(pt)); | ^~~~~~~~~~~~~~~ | | | int include/linux/mm.h:2999:52: note: expected 'struct page *' but argument is of type 'int' 2999 | static inline void free_reserved_page(struct page *page) | ~~~~~~~~~~~~~^~~~ cc1: some warnings being treated as errors make[2]: *** [scripts/Makefile.build:114: arch/sh/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:226: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +2826 include/linux/mm.h 2823 2824 static inline bool ptdesc_pte_ctor(struct ptdesc *ptdesc) 2825 { > 2826 struct folio *folio = ptdesc_folio(ptdesc); 2827 2828 if (!ptlock_init(ptdesc)) 2829 return false; 2830 __SetPageTable(&folio->page); 2831 lruvec_stat_add_folio(folio, NR_PAGETABLE); 2832 return true; 2833 } 2834 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
