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Re: [PATCH 5/7] mm/follow_page_mask: Add support for hugepage directory entry

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Hi Aneesh,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.11-rc7 next-20170413]
[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/Aneesh-Kumar-K-V/HugeTLB-migration-support-for-PPC64/20170418-011540
config: i386-randconfig-x016-201716 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from fs/proc/task_mmu.c:3:0:
>> include/linux/hugetlb.h:121:31: error: unknown type name 'hugepd_t'
           unsigned long address, hugepd_t hpd,
                                  ^~~~~~~~
--
   In file included from mm/gup.c:15:0:
>> include/linux/hugetlb.h:121:31: error: unknown type name 'hugepd_t'
           unsigned long address, hugepd_t hpd,
                                  ^~~~~~~~
   mm/gup.c: In function 'follow_pmd_mask':
>> mm/gup.c:230:10: error: implicit declaration of function 'follow_huge_pd' [-Werror=implicit-function-declaration]
      page = follow_huge_pd(vma, address,
             ^~~~~~~~~~~~~~
   mm/gup.c:230:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
      page = follow_huge_pd(vma, address,
           ^
   mm/gup.c: In function 'follow_pud_mask':
   mm/gup.c:304:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
      page = follow_huge_pd(vma, address,
           ^
   mm/gup.c: In function 'follow_p4d_mask':
   mm/gup.c:340:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
      page = follow_huge_pd(vma, address,
           ^
   mm/gup.c: In function 'follow_page_mask':
   mm/gup.c:392:8: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
      page = follow_huge_pd(vma, address,
           ^
   cc1: some warnings being treated as errors

vim +/hugepd_t +121 include/linux/hugetlb.h

   115				unsigned long addr, unsigned long sz);
   116	pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr);
   117	int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep);
   118	struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
   119				      int write);
   120	struct page *follow_huge_pd(struct vm_area_struct *vma,
 > 121				    unsigned long address, hugepd_t hpd,
   122				    int flags, int pdshift);
   123	struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
   124					pmd_t *pmd, int flags);

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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[PATCH 0/7] HugeTLB migration support for PPC64 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-17 19:20 +0200
  [PATCH 2/7] mm/follow_page_mask: Split follow_page_mask to smaller functions. "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-17 19:20 +0200
  [PATCH 5/7] mm/follow_page_mask: Add support for hugepage directory entry "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-17 19:20 +0200
    Re: [PATCH 5/7] mm/follow_page_mask: Add support for hugepage  directory entry kbuild test robot <lkp@intel.com> - 2017-04-17 20:00 +0200
    Re: [PATCH 5/7] mm/follow_page_mask: Add support for hugepage  directory entry kbuild test robot <lkp@intel.com> - 2017-04-17 20:40 +0200
      Re: [PATCH 5/7] mm/follow_page_mask: Add support for hugepage directory entry "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-18 05:30 +0200
  [PATCH 6/7] powerpc/hugetlb: Add follow_huge_pd implementation for ppc64. "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> - 2017-04-17 19:20 +0200

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