1 files changed, 2 insertions, 2 deletions
diff --git a/sql/ha_innobase.cc b/sql/ha_innobase.cc
index d509e696806..cd8e1533e78 100644
--- a/sql/ha_innobase.cc
+++ b/sql/ha_innobase.cc
@@ -476,7 +476,7 @@ innobase_init(void)
 	}
 	(void) hash_init(&innobase_open_tables,32,0,0,
 			 (hash_get_key) innobase_get_key,0,0);
-	pthread_mutex_init(&innobase_mutex,NULL);
+	pthread_mutex_init(&innobase_mutex,MY_MUTEX_INIT_FAST);
   	DBUG_RETURN(0);
 }
 
@@ -2642,7 +2642,7 @@ static INNOBASE_SHARE *get_share(const char *table_name)
 	return 0;
       }
       thr_lock_init(&share->lock);
-      pthread_mutex_init(&share->mutex,NULL);
+      pthread_mutex_init(&share->mutex,MY_MUTEX_INIT_FAST);
     }
   }
   share->use_count++;