diff --git a/mm/rmap.c b/mm/rmap.c
index 2ec925e5fa6a..92ed6fe3d038 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -315,8 +315,8 @@ int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
 
  enomem_failure:
 	/*
-	 * dst->anon_vma is dropped here otherwise its degree can be incorrectly
-	 * decremented in unlink_anon_vmas().
+	 * dst->anon_vma is dropped here otherwise its num_active_vmas can
+	 * be incorrectly decremented in unlink_anon_vmas().
 	 * We can safely do this because callers of anon_vma_clone() don't care
 	 * about dst->anon_vma if anon_vma_clone() failed.
 	 */