diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 7b03d2090c284839602a5f59402f9f8aee1563a9..37d429beba961dc2fad51a0a810fb0c26512bee9 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -35,8 +35,6 @@ u16 x86_cpu_to_node_map_init[NR_CPUS] = {
 	[0 ... NR_CPUS-1] = NUMA_NO_NODE
 };
 void *x86_cpu_to_node_map_early_ptr;
-EXPORT_SYMBOL(x86_cpu_to_node_map_init);
-EXPORT_SYMBOL(x86_cpu_to_node_map_early_ptr);
 DEFINE_PER_CPU(u16, x86_cpu_to_node_map) = NUMA_NO_NODE;
 EXPORT_PER_CPU_SYMBOL(x86_cpu_to_node_map);
 
@@ -88,7 +86,7 @@ static int __init allocate_cachealigned_memnodemap(void)
 	unsigned long pad, pad_addr;
 
 	memnodemap = memnode.embedded_map;
-	if (memnodemapsize <= 48)
+	if (memnodemapsize <= ARRAY_SIZE(memnode.embedded_map))
 		return 0;
 
 	pad = L1_CACHE_BYTES - 1;