diff --git a/kernel/notifier.c b/kernel/notifier.c
index fd2c9ac..0f70f1b 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -552,7 +552,7 @@
 
 int register_die_notifier(struct notifier_block *nb)
 {
-	vmalloc_sync_all();
+	vmalloc_sync_mappings();
 	return atomic_notifier_chain_register(&die_chain, nb);
 }
 EXPORT_SYMBOL_GPL(register_die_notifier);