tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   59f7a5af1a6c9e19c6e5152f26548c494a2d7338
commit: 3ecd42e200dc8afcdcea809b1546783e3dc271be [105/365] mm/hugetlb: reduce arch dependent code around follow_huge_*
config: powerpc-pasemi_defconfig (attached as .config)
reproduce:
  wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
  chmod +x ~/bin/make.cross
  git checkout 3ecd42e200dc8afcdcea809b1546783e3dc271be
  # save the attached .config to linux build tree
  make.cross ARCH=powerpc 

All error/warnings:

>> arch/powerpc/mm/hugetlbpage.c:718:1: error: conflicting types for 'follow_huge_pud'
    follow_huge_pud(struct mm_struct *mm, unsigned long address,
    ^
   In file included from arch/powerpc/mm/hugetlbpage.c:14:0:
   include/linux/hugetlb.h:103:14: note: previous declaration of 'follow_huge_pud' was here
    struct page *follow_huge_pud(struct mm_struct *mm, unsigned long address,
                 ^

vim +/follow_huge_pud +718 arch/powerpc/mm/hugetlbpage.c

   712	{
   713		BUG();
   714		return NULL;
   715	}
   716	
   717	struct page *
 > 718	follow_huge_pud(struct mm_struct *mm, unsigned long address,
   719			pmd_t *pmd, int write)
   720	{
   721		BUG();

---
0-DAY kernel test infrastructure                Open Source Technology Center
http://lists.01.org/mailman/listinfo/kbuild                 Intel Corporation