diff --git a/arch/x86/kernel/genx2apic_phys.c b/arch/x86/kernel/genx2apic_phys.c
index f35a3bf3a9e56..3229c68aedd43 100644
--- a/arch/x86/kernel/genx2apic_phys.c
+++ b/arch/x86/kernel/genx2apic_phys.c
@@ -10,8 +10,6 @@
 #include <asm/ipi.h>
 #include <asm/genapic.h>
 
-DEFINE_PER_CPU(int, x2apic_extra_bits);
-
 static int x2apic_phys;
 
 static int set_x2apic_phys_mode(char *arg)
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 14a9772778e59..169388c4cce97 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -26,6 +26,8 @@
 #include <asm/uv/uv_hub.h>
 #include <asm/uv/bios.h>
 
+DEFINE_PER_CPU(int, x2apic_extra_bits);
+
 static enum uv_system_type uv_system_type;
 
 static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)