diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index e9fd04c..b9b23dd 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -87,7 +87,7 @@
 	atomic_inc(&anon_vma->external_refcount);
 }
 
-void drop_anon_vma(struct anon_vma *);
+void put_anon_vma(struct anon_vma *);
 #else
 static inline void anonvma_external_refcount_init(struct anon_vma *anon_vma)
 {
@@ -102,7 +102,7 @@
 {
 }
 
-static inline void drop_anon_vma(struct anon_vma *anon_vma)
+static inline void put_anon_vma(struct anon_vma *anon_vma)
 {
 }
 #endif /* CONFIG_KSM */
diff --git a/mm/ksm.c b/mm/ksm.c
index c2b2a94..1bbe785 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -301,20 +301,6 @@
 	return rmap_item->address & STABLE_FLAG;
 }
 
-static void hold_anon_vma(struct rmap_item *rmap_item,
-			  struct anon_vma *anon_vma)
-{
-	rmap_item->anon_vma = anon_vma;
-	get_anon_vma(anon_vma);
-}
-
-static void ksm_drop_anon_vma(struct rmap_item *rmap_item)
-{
-	struct anon_vma *anon_vma = rmap_item->anon_vma;
-
-	drop_anon_vma(anon_vma);
-}
-
 /*
  * ksmd, and unmerge_and_remove_all_rmap_items(), must not touch an mm's
  * page tables after it has passed through ksm_exit() - which, if necessary,
@@ -397,7 +383,7 @@
 	 * It is not an accident that whenever we want to break COW
 	 * to undo, we also need to drop a reference to the anon_vma.
 	 */
-	ksm_drop_anon_vma(rmap_item);
+	put_anon_vma(rmap_item->anon_vma);
 
 	down_read(&mm->mmap_sem);
 	if (ksm_test_exit(mm))
@@ -466,7 +452,7 @@
 			ksm_pages_sharing--;
 		else
 			ksm_pages_shared--;
-		ksm_drop_anon_vma(rmap_item);
+		put_anon_vma(rmap_item->anon_vma);
 		rmap_item->address &= PAGE_MASK;
 		cond_resched();
 	}
@@ -554,7 +540,7 @@
 		else
 			ksm_pages_shared--;
 
-		ksm_drop_anon_vma(rmap_item);
+		put_anon_vma(rmap_item->anon_vma);
 		rmap_item->address &= PAGE_MASK;
 
 	} else if (rmap_item->address & UNSTABLE_FLAG) {
@@ -949,7 +935,8 @@
 		goto out;
 
 	/* Must get reference to anon_vma while still holding mmap_sem */
-	hold_anon_vma(rmap_item, vma->anon_vma);
+	rmap_item->anon_vma = vma->anon_vma;
+	get_anon_vma(vma->anon_vma);
 out:
 	up_read(&mm->mmap_sem);
 	return err;
diff --git a/mm/migrate.c b/mm/migrate.c
index 8aacce3..7d2983f 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -764,7 +764,7 @@
 
 	/* Drop an anon_vma reference if we took one */
 	if (anon_vma)
-		drop_anon_vma(anon_vma);
+		put_anon_vma(anon_vma);
 
 uncharge:
 	if (!charge)
@@ -856,7 +856,7 @@
 		remove_migration_ptes(hpage, hpage);
 
 	if (anon_vma)
-		drop_anon_vma(anon_vma);
+		put_anon_vma(anon_vma);
 out:
 	unlock_page(hpage);
 
diff --git a/mm/rmap.c b/mm/rmap.c
index 941bf82..ad416af 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -278,7 +278,7 @@
 	if (empty) {
 		/* We no longer need the root anon_vma */
 		if (anon_vma->root != anon_vma)
-			drop_anon_vma(anon_vma->root);
+			put_anon_vma(anon_vma->root);
 		anon_vma_free(anon_vma);
 	}
 }
@@ -1493,7 +1493,7 @@
  * we know we are the last user, nobody else can get a reference and we
  * can do the freeing without the lock.
  */
-void drop_anon_vma(struct anon_vma *anon_vma)
+void put_anon_vma(struct anon_vma *anon_vma)
 {
 	BUG_ON(atomic_read(&anon_vma->external_refcount) <= 0);
 	if (atomic_dec_and_lock(&anon_vma->external_refcount, &anon_vma->root->lock)) {