diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 8067a6dabcea98f0d320264dce1eb847042cd2e5..64fea9fe69456296df93ead58b5799d6c069a58d 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1199,7 +1199,7 @@ void __init setup_arch(char **cmdline_p)
 	x86_init.hyper.guest_late_init();
 
 	e820__reserve_resources();
-	e820__register_nosave_regions(max_low_pfn);
+	e820__register_nosave_regions(max_pfn);
 
 	x86_init.resources.reserve_resources();