diff --git a/mm/rmap.c b/mm/rmap.c
index 45eba36..bea03f6b 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1690,7 +1690,7 @@
 
 	if (!mapping)
 		return ret;
-	mutex_lock(&mapping->i_mmap_mutex);
+	i_mmap_lock_write(mapping);
 	vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) {
 		unsigned long address = vma_address(page, vma);
 
@@ -1713,7 +1713,7 @@
 	ret = rwc->file_nonlinear(page, mapping, rwc->arg);
 
 done:
-	mutex_unlock(&mapping->i_mmap_mutex);
+	i_mmap_unlock_write(mapping);
 	return ret;
 }