diff --git a/mm/migrate.c b/mm/migrate.c
index d298544940b89f21eddad966cd5596cec867450a..7d698caf333fb812c2502aa4b6bc07dbc3a245fe 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1230,7 +1230,6 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
 		goto put_anon;
 
 	if (page_mapped(hpage)) {
-		bool mapping_locked = false;
 		enum ttu_flags ttu = 0;
 
 		if (!PageAnon(hpage)) {
@@ -1244,14 +1243,13 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
 			if (unlikely(!mapping))
 				goto unlock_put_anon;
 
-			mapping_locked = true;
-			ttu |= TTU_RMAP_LOCKED;
+			ttu = TTU_RMAP_LOCKED;
 		}
 
 		try_to_migrate(src, ttu);
 		page_was_mapped = 1;
 
-		if (mapping_locked)
+		if (ttu & TTU_RMAP_LOCKED)
 			i_mmap_unlock_write(mapping);
 	}