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-rw-r--r--include/asm-s390/pgtable.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 8fe8d42e64c..0a307bb2f35 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -744,7 +744,12 @@ ptep_establish(struct vm_area_struct *vma,
744} 744}
745 745
746#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ 746#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
747 ptep_establish(__vma, __address, __ptep, __entry) 747({ \
748 int __changed = !pte_same(*(__ptep), __entry); \
749 if (__changed) \
750 ptep_establish(__vma, __address, __ptep, __entry); \
751 __changed; \
752})
748 753
749/* 754/*
750 * Test and clear dirty bit in storage key. 755 * Test and clear dirty bit in storage key.