Hi Alexandre, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.18-rc3 next-20180704] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Alexandre-Ghiti/hugetlb-Factorize-hugetlb-architecture-primitives/20180705-135909 config: powerpc-mpc8540_ads_defconfig (attached as .config) compiler: powerpc-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=powerpc All warnings (new ones prefixed by >>): In file included from arch/powerpc/kernel/setup-common.c:37:0: include/linux/hugetlb.h:191:65: error: expected identifier or '(' before '{' token #define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; }) ^ include/asm-generic/hugetlb.h:44:20: note: in expansion of macro 'hugetlb_free_pgd_range' static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, ^~~~~~~~~~~~~~~~~~~~~~ include/linux/hugetlb.h:187:50: error: expected identifier or '(' before '-' token #define prepare_hugepage_range(file, addr, len) (-EINVAL) ^ >> include/asm-generic/hugetlb.h:91:19: note: in expansion of macro 'prepare_hugepage_range' static inline int prepare_hugepage_range(struct file *file, ^~~~~~~~~~~~~~~~~~~~~~ vim +/prepare_hugepage_range +91 include/asm-generic/hugetlb.h 42 43 #ifndef __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE > 44 static inline void hugetlb_free_pgd_range(struct mmu_gather *tlb, 45 unsigned long addr, unsigned long end, 46 unsigned long floor, unsigned long ceiling) 47 { 48 free_pgd_range(tlb, addr, end, floor, ceiling); 49 } 50 #endif 51 52 #ifndef __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT 53 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, 54 pte_t *ptep, pte_t pte) 55 { 56 set_pte_at(mm, addr, ptep, pte); 57 } 58 #endif 59 60 #ifndef __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR 61 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, 62 unsigned long addr, pte_t *ptep) 63 { 64 return ptep_get_and_clear(mm, addr, ptep); 65 } 66 #endif 67 68 #ifndef __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH 69 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, 70 unsigned long addr, pte_t *ptep) 71 { 72 ptep_clear_flush(vma, addr, ptep); 73 } 74 #endif 75 76 #ifndef __HAVE_ARCH_HUGE_PTE_NONE 77 static inline int huge_pte_none(pte_t pte) 78 { 79 return pte_none(pte); 80 } 81 #endif 82 83 #ifndef __HAVE_ARCH_HUGE_PTE_WRPROTECT 84 static inline pte_t huge_pte_wrprotect(pte_t pte) 85 { 86 return pte_wrprotect(pte); 87 } 88 #endif 89 90 #ifndef __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE > 91 static inline int prepare_hugepage_range(struct file *file, 92 unsigned long addr, unsigned long len) 93 { 94 struct hstate *h = hstate_file(file); 95 96 if (len & ~huge_page_mask(h)) 97 return -EINVAL; 98 if (addr & ~huge_page_mask(h)) 99 return -EINVAL; 100 101 return 0; 102 } 103 #endif 104 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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