1 files changed, 5 insertions, 0 deletions

diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c
index f3a9585e98a8..0c7e94edc20e 100644
--- a/arch/ia64/mm/hugetlbpage.c
+++ b/arch/ia64/mm/hugetlbpage.c
@@ -64,6 +64,11 @@ huge_pte_offset (struct mm_struct *mm, unsigned long addr)
         return pte;
 }
 
+int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
+{
+        return 0;
+}
+
 #define mk_pte_huge(entry) { pte_val(entry) |= _PAGE_P; }
 
 /*