diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index f8ec57815c057..de337983f6795 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1070,7 +1070,7 @@ void __init setup_arch(char **cmdline_p)
 
 	cleanup_highmap();
 
-	memblock.current_limit = ISA_END_ADDRESS;
+	memblock_set_current_limit(ISA_END_ADDRESS);
 	memblock_x86_fill();
 
 	/*
@@ -1103,7 +1103,7 @@ void __init setup_arch(char **cmdline_p)
 
 	setup_real_mode();
 
-	memblock.current_limit = get_max_mapped();
+	memblock_set_current_limit(get_max_mapped());
 	dma_contiguous_reserve(0);
 
 	/*