diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 0c7ec94..0aa5262 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -765,8 +765,6 @@
 	int cpu = smp_processor_id();
 	int node = 0;
 	unsigned bits;
-	if (c->x86_num_cores == 1)
-		return;
 
 	bits = 0;
 	while ((1 << bits) < c->x86_num_cores)