Hi Vishal, kernel test robot noticed the following build errors: [auto build test ERROR on next-20230531] [cannot apply to akpm-mm/mm-everything s390/features powerpc/next powerpc/fixes geert-m68k/for-next geert-m68k/for-linus linus/master v6.4-rc4 v6.4-rc3 v6.4-rc2 v6.4-rc4] [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-PAGE_TYPE_OP-folio-functions/20230601-053454 base: next-20230531 patch link: https://lore.kernel.org/r/20230531213032.25338-26-vishal.moola%40gmail.com patch subject: [PATCH v3 25/34] m68k: Convert various functions to use ptdescs config: m68k-randconfig-r002-20230531 (https://download.01.org/0day-ci/archive/20230601/202306011704.i8xMWKPl-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 12.3.0 reproduce (this is a W=1 build): mkdir -p ~/bin 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/915ab62dc3315fe0a0544fccb4ee5f3ee32694b5 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Vishal-Moola-Oracle/mm-Add-PAGE_TYPE_OP-folio-functions/20230601-053454 git checkout 915ab62dc3315fe0a0544fccb4ee5f3ee32694b5 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=m68k olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash arch/m68k/mm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306011704.i8xMWKPl-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from arch/m68k/include/asm/pgalloc.h:12, from arch/m68k/mm/init.c:26: arch/m68k/include/asm/mcf_pgalloc.h: In function 'pgd_alloc': >> arch/m68k/include/asm/mcf_pgalloc.h:83:59: error: 'GFP_NOWARN' undeclared (first use in this function); did you mean 'GFP_NOWAIT'? 83 | struct ptdesc *ptdesc = pagetable_alloc(GFP_DMA | GFP_NOWARN, 0); | ^~~~~~~~~~ | GFP_NOWAIT arch/m68k/include/asm/mcf_pgalloc.h:83:59: note: each undeclared identifier is reported only once for each function it appears in arch/m68k/include/asm/mcf_pgalloc.h: At top level: >> arch/m68k/include/asm/mcf_pgalloc.h:22:27: warning: 'ptdesc_address' is static but used in inline function 'pte_alloc_one_kernel' which is not static 22 | return (pte_t *) (ptdesc_address(ptdesc)); | ^~~~~~~~~~~~~~ >> arch/m68k/include/asm/mcf_pgalloc.h:17:33: warning: 'pagetable_alloc' is static but used in inline function 'pte_alloc_one_kernel' which is not static 17 | struct ptdesc *ptdesc = pagetable_alloc(GFP_DMA | __GFP_ZERO, 0); | ^~~~~~~~~~~~~~~ >> arch/m68k/include/asm/mcf_pgalloc.h:10:24: warning: 'virt_to_ptdesc' is static but used in inline function 'pte_free_kernel' which is not static 10 | pagetable_free(virt_to_ptdesc(pte)); | ^~~~~~~~~~~~~~ >> arch/m68k/include/asm/mcf_pgalloc.h:10:9: warning: 'pagetable_free' is static but used in inline function 'pte_free_kernel' which is not static 10 | pagetable_free(virt_to_ptdesc(pte)); | ^~~~~~~~~~~~~~ -- In file included from arch/m68k/mm/mcfmmu.c:21: arch/m68k/include/asm/mcf_pgalloc.h: In function 'pgd_alloc': >> arch/m68k/include/asm/mcf_pgalloc.h:83:59: error: 'GFP_NOWARN' undeclared (first use in this function); did you mean 'GFP_NOWAIT'? 83 | struct ptdesc *ptdesc = pagetable_alloc(GFP_DMA | GFP_NOWARN, 0); | ^~~~~~~~~~ | GFP_NOWAIT arch/m68k/include/asm/mcf_pgalloc.h:83:59: note: each undeclared identifier is reported only once for each function it appears in arch/m68k/mm/mcfmmu.c: At top level: arch/m68k/mm/mcfmmu.c:36:13: warning: no previous prototype for 'paging_init' [-Wmissing-prototypes] 36 | void __init paging_init(void) | ^~~~~~~~~~~ arch/m68k/mm/mcfmmu.c: In function 'paging_init': arch/m68k/mm/mcfmmu.c:41:37: warning: variable 'bootmem_end' set but not used [-Wunused-but-set-variable] 41 | unsigned long next_pgtable, bootmem_end; | ^~~~~~~~~~~ arch/m68k/include/asm/mcf_pgalloc.h: At top level: >> arch/m68k/include/asm/mcf_pgalloc.h:22:27: warning: 'ptdesc_address' is static but used in inline function 'pte_alloc_one_kernel' which is not static 22 | return (pte_t *) (ptdesc_address(ptdesc)); | ^~~~~~~~~~~~~~ >> arch/m68k/include/asm/mcf_pgalloc.h:17:33: warning: 'pagetable_alloc' is static but used in inline function 'pte_alloc_one_kernel' which is not static 17 | struct ptdesc *ptdesc = pagetable_alloc(GFP_DMA | __GFP_ZERO, 0); | ^~~~~~~~~~~~~~~ >> arch/m68k/include/asm/mcf_pgalloc.h:10:24: warning: 'virt_to_ptdesc' is static but used in inline function 'pte_free_kernel' which is not static 10 | pagetable_free(virt_to_ptdesc(pte)); | ^~~~~~~~~~~~~~ >> arch/m68k/include/asm/mcf_pgalloc.h:10:9: warning: 'pagetable_free' is static but used in inline function 'pte_free_kernel' which is not static 10 | pagetable_free(virt_to_ptdesc(pte)); | ^~~~~~~~~~~~~~ vim +83 arch/m68k/include/asm/mcf_pgalloc.h 7 8 extern inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) 9 { > 10 pagetable_free(virt_to_ptdesc(pte)); 11 } 12 13 extern const char bad_pmd_string[]; 14 15 extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) 16 { > 17 struct ptdesc *ptdesc = pagetable_alloc(GFP_DMA | __GFP_ZERO, 0); 18 19 if (!ptdesc) 20 return NULL; 21 > 22 return (pte_t *) (ptdesc_address(ptdesc)); 23 } 24 25 extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address) 26 { 27 return (pmd_t *) pgd; 28 } 29 30 #define pmd_populate(mm, pmd, pte) (pmd_val(*pmd) = (unsigned long)(pte)) 31 32 #define pmd_populate_kernel pmd_populate 33 34 static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pgtable, 35 unsigned long address) 36 { 37 struct ptdesc *ptdesc = virt_to_ptdesc(pgtable); 38 39 pagetable_pte_dtor(ptdesc); 40 pagetable_free(ptdesc); 41 } 42 43 static inline pgtable_t pte_alloc_one(struct mm_struct *mm) 44 { 45 struct ptdesc *ptdesc = pagetable_alloc(GFP_DMA, 0); 46 pte_t *pte; 47 48 if (!ptdesc) 49 return NULL; 50 if (!pagetable_pte_ctor(ptdesc)) { 51 pagetable_free(ptdesc); 52 return NULL; 53 } 54 55 pte = ptdesc_address(ptdesc); 56 pagetable_clear(pte); 57 58 return pte; 59 } 60 61 static inline void pte_free(struct mm_struct *mm, pgtable_t pgtable) 62 { 63 struct ptdesc *ptdesc = virt_to_ptdesc(ptdesc); 64 65 pagetable_pte_dtor(ptdesc); 66 pagetable_free(ptdesc); 67 } 68 69 /* 70 * In our implementation, each pgd entry contains 1 pmd that is never allocated 71 * or freed. pgd_present is always 1, so this should never be called. -NL 72 */ 73 #define pmd_free(mm, pmd) BUG() 74 75 static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) 76 { 77 pagetable_free(virt_to_ptdesc(pgd)); 78 } 79 80 static inline pgd_t *pgd_alloc(struct mm_struct *mm) 81 { 82 pgd_t *new_pgd; > 83 struct ptdesc *ptdesc = pagetable_alloc(GFP_DMA | GFP_NOWARN, 0); 84 85 if (!ptdesc) 86 return NULL; 87 new_pgd = (pgd_t *) ptdesc_address(ptdesc); 88 89 memcpy(new_pgd, swapper_pg_dir, PTRS_PER_PGD * sizeof(pgd_t)); 90 memset(new_pgd, 0, PAGE_OFFSET >> PGDIR_SHIFT); 91 return new_pgd; 92 } 93 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki