x86/irq: Fix move_irq_desc() for nodes without ram

[safe/jmp/linux-2.6] / kernel / irq / manage.c

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index f0de36f..61c679d 100644 (file)
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -451,6 +451,7 @@ static int irq_wait_for_interrupt(struct irqaction *action)
        return -1;
 }
 
+#ifdef CONFIG_SMP
 /*
  * Check whether we need to change the affinity of the interrupt thread.
  */
@@ -478,6 +479,10 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action)
        set_cpus_allowed_ptr(current, mask);
        free_cpumask_var(mask);
 }
+#else
+static inline void
+irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action) { }
+#endif
 
 /*
  * Interrupt handler thread