diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index cf682a7..da3e0db 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -45,6 +45,7 @@
 #define IRQF_SHARED		0x00000080
 #define IRQF_PROBE_SHARED	0x00000100
 #define IRQF_TIMER		0x00000200
+#define IRQF_PERCPU		0x00000400
 
 /*
  * Migration helpers. Scheduled for removal in 1/2007
@@ -54,6 +55,7 @@
 #define SA_SAMPLE_RANDOM	IRQF_SAMPLE_RANDOM
 #define SA_SHIRQ		IRQF_SHARED
 #define SA_PROBEIRQ		IRQF_PROBE_SHARED
+#define SA_PERCPU		IRQF_PERCPU
 
 #define SA_TRIGGER_LOW		IRQF_TRIGGER_LOW
 #define SA_TRIGGER_HIGH		IRQF_TRIGGER_HIGH
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index fede5fa..c911c6e 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -234,7 +234,7 @@
 		    ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK))
 			goto mismatch;
 
-#if defined(CONFIG_IRQ_PER_CPU) && defined(IRQF_PERCPU)
+#if defined(CONFIG_IRQ_PER_CPU)
 		/* All handlers must agree on per-cpuness */
 		if ((old->flags & IRQF_PERCPU) !=
 		    (new->flags & IRQF_PERCPU))
@@ -250,7 +250,7 @@
 	}
 
 	*p = new;
-#if defined(CONFIG_IRQ_PER_CPU) && defined(IRQF_PERCPU)
+#if defined(CONFIG_IRQ_PER_CPU)
 	if (new->flags & IRQF_PERCPU)
 		desc->status |= IRQ_PER_CPU;
 #endif