1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 956a35532f4..f6385fc17ad 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -470,6 +470,7 @@ static inline void set_compound_order(struct page *page, unsigned long order)
         page[1].lru.prev = (void *)order;
 }
 
+#ifdef CONFIG_MMU
 /*
  * Do pte_mkwrite, but only if the vma says VM_WRITE.  We do this when
  * servicing faults for write access.  In the normal case, do always want
@@ -482,6 +483,7 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
                 pte = pte_mkwrite(pte);
         return pte;
 }
+#endif
 
 /*
  * Multiple processes may "see" the same page. E.g. for untouched