1 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h
index 2e48be841cc9..b2754d46be44 100644
--- a/include/asm-powerpc/pgtable-ppc64.h
+++ b/include/asm-powerpc/pgtable-ppc64.h
@@ -312,6 +312,15 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
                 return;
         old = pte_update(mm, addr, ptep, _PAGE_RW, 0);
 }
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+                                           unsigned long addr, pte_t *ptep)
+{
+        unsigned long old;
+
+        if ((pte_val(*ptep) & _PAGE_RW) == 0)
+                return;
+        old = pte_update(mm, addr, ptep, _PAGE_RW, 1);
+}
 
 /*
  * We currently remove entries from the hashtable regardless of whether