1 files changed, 6 insertions, 1 deletions

diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 8fe8d42e64c3..0a307bb2f353 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -744,7 +744,12 @@ ptep_establish(struct vm_area_struct *vma,
 }
 
 #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
-        ptep_establish(__vma, __address, __ptep, __entry)
+({                                                                        \
+        int __changed = !pte_same(*(__ptep), __entry);                    \
+        if (__changed)                                                    \
+                ptep_establish(__vma, __address, __ptep, __entry);        \
+        __changed;                                                        \
+})
 
 /*
  * Test and clear dirty bit in storage key.