[PATCH] genirq: cleanup: merge pending_irq_cpumask[] into irq_desc[]

Consolidation: remove the pending_irq_cpumask[NR_IRQS] array and move it into
the irq_desc[NR_IRQS].pending_mask field.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index a571c3a..a57ebe9 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -8,7 +8,7 @@
 
 	spin_lock_irqsave(&desc->lock, flags);
 	desc->move_irq = 1;
-	pending_irq_cpumask[irq] = mask;
+	irq_desc[irq].pending_mask = mask;
 	spin_unlock_irqrestore(&desc->lock, flags);
 }
 
@@ -30,7 +30,7 @@
 
 	desc->move_irq = 0;
 
-	if (unlikely(cpus_empty(pending_irq_cpumask[irq])))
+	if (unlikely(cpus_empty(irq_desc[irq].pending_mask)))
 		return;
 
 	if (!desc->chip->set_affinity)
@@ -38,7 +38,7 @@
 
 	assert_spin_locked(&desc->lock);
 
-	cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
+	cpus_and(tmp, irq_desc[irq].pending_mask, cpu_online_map);
 
 	/*
 	 * If there was a valid mask to work with, please
@@ -58,5 +58,5 @@
 		if (likely(!(desc->status & IRQ_DISABLED)))
 			desc->chip->enable(irq);
 	}
-	cpus_clear(pending_irq_cpumask[irq]);
+	cpus_clear(irq_desc[irq].pending_mask);
 }