diff --git a/mm/vmstat.c b/mm/vmstat.c
index 44bbb7752f11..667474773dbc 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -547,7 +547,7 @@ EXPORT_SYMBOL(__dec_node_page_state);
 #ifdef CONFIG_HAVE_CMPXCHG_LOCAL
 /*
  * If we have cmpxchg_local support then we do not need to incur the overhead
- * that comes with local_irq_save/restore if we use this_cpu_cmpxchg.
+ * that comes with local_irq_save/restore if we use this_cpu_try_cmpxchg().
  *
  * mod_state() modifies the zone counter state through atomic per cpu
  * operations.