diff --git a/include/linux/irq.h b/include/linux/irq.h
index 6c5d4c898ccb..ee2a82a572f7 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -114,53 +114,8 @@ static inline void set_native_irq_info(int irq, cpumask_t mask)
 #if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
 extern cpumask_t pending_irq_cpumask[NR_IRQS];
 
-static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
-{
-	irq_desc_t *desc = irq_desc + irq;
-	unsigned long flags;
-
-	spin_lock_irqsave(&desc->lock, flags);
-	desc->move_irq = 1;
-	pending_irq_cpumask[irq] = mask;
-	spin_unlock_irqrestore(&desc->lock, flags);
-}
-
-static inline void
-move_native_irq(int irq)
-{
-	cpumask_t tmp;
-	irq_desc_t *desc = irq_descp(irq);
-
-	if (likely (!desc->move_irq))
-		return;
-
-	desc->move_irq = 0;
-
-	if (likely(cpus_empty(pending_irq_cpumask[irq])))
-		return;
-
-	if (!desc->handler->set_affinity)
-		return;
-
-	/* note - we hold the desc->lock */
-	cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
-
-	/*
-	 * If there was a valid mask to work with, please
-	 * do the disable, re-program, enable sequence.
-	 * This is *not* particularly important for level triggered
-	 * but in a edge trigger case, we might be setting rte
-	 * when an active trigger is comming in. This could
-	 * cause some ioapics to mal-function.
-	 * Being paranoid i guess!
-	 */
-	if (unlikely(!cpus_empty(tmp))) {
-		desc->handler->disable(irq);
-		desc->handler->set_affinity(irq,tmp);
-		desc->handler->enable(irq);
-	}
-	cpus_clear(pending_irq_cpumask[irq]);
-}
+void set_pending_irq(unsigned int irq, cpumask_t mask);
+void move_native_irq(int irq);
 
 #ifdef CONFIG_PCI_MSI
 /*
diff --git a/kernel/irq/Makefile b/kernel/irq/Makefile
index 49378738ff5e..2b33f852be3e 100644
--- a/kernel/irq/Makefile
+++ b/kernel/irq/Makefile
@@ -1,5 +1,4 @@
 
-obj-y := handle.o manage.o spurious.o
+obj-y := handle.o manage.o spurious.o migration.o
 obj-$(CONFIG_GENERIC_IRQ_PROBE) += autoprobe.o
 obj-$(CONFIG_PROC_FS) += proc.o
-
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
new file mode 100644
index 000000000000..6bdd03c524c7
--- /dev/null
+++ b/kernel/irq/migration.c
@@ -0,0 +1,52 @@
+#include <linux/irq.h>
+
+#if defined(CONFIG_GENERIC_PENDING_IRQ)
+
+void set_pending_irq(unsigned int irq, cpumask_t mask)
+{
+	irq_desc_t *desc = irq_desc + irq;
+	unsigned long flags;
+
+	spin_lock_irqsave(&desc->lock, flags);
+	desc->move_irq = 1;
+	pending_irq_cpumask[irq] = mask;
+	spin_unlock_irqrestore(&desc->lock, flags);
+}
+
+void move_native_irq(int irq)
+{
+	cpumask_t tmp;
+	irq_desc_t *desc = irq_descp(irq);
+
+	if (likely (!desc->move_irq))
+		return;
+
+	desc->move_irq = 0;
+
+	if (likely(cpus_empty(pending_irq_cpumask[irq])))
+		return;
+
+	if (!desc->handler->set_affinity)
+		return;
+
+	/* note - we hold the desc->lock */
+	cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
+
+	/*
+	 * If there was a valid mask to work with, please
+	 * do the disable, re-program, enable sequence.
+	 * This is *not* particularly important for level triggered
+	 * but in a edge trigger case, we might be setting rte
+	 * when an active trigger is comming in. This could
+	 * cause some ioapics to mal-function.
+	 * Being paranoid i guess!
+	 */
+	if (unlikely(!cpus_empty(tmp))) {
+		desc->handler->disable(irq);
+		desc->handler->set_affinity(irq,tmp);
+		desc->handler->enable(irq);
+	}
+	cpus_clear(pending_irq_cpumask[irq]);
+}
+
+#endif