On Sat, Jan 17, 2015 at 10:59:14AM +0800, kbuild test robot wrote:
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)
Invalid argument type. Andrew, could you please fold the following diff?
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index b4c93e6b16e5..7e408bfc7948 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -716,7 +716,7 @@ follow_huge_pmd(struct mm_struct *mm, unsigned long address,
struct page *
follow_huge_pud(struct mm_struct *mm, unsigned long address,
- pmd_t *pmd, int write)
+ pud_t *pud, int write)
{
BUG();
return NULL;
Thanks,
Naoya Horiguchi
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