1 files changed, 6 insertions, 2 deletions

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index fd68b74c07c..506d89768d4 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -491,11 +491,15 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas)
         return 0;
 }
 
-int prepare_hugepage_range(unsigned long addr, unsigned long len)
+int prepare_hugepage_range(unsigned long addr, unsigned long len, pgoff_t pgoff)
 {
         int err = 0;
 
-        if ( (addr+len) < addr )
+        if (pgoff & (~HPAGE_MASK >> PAGE_SHIFT))
+                return -EINVAL;
+        if (len & ~HPAGE_MASK)
+                return -EINVAL;
+        if (addr & ~HPAGE_MASK)
                 return -EINVAL;
 
         if (addr < 0x100000000UL)