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

Consolidation: remove the irq_affinity[NR_IRQS] array and move it into the
irq_desc[NR_IRQS].affinity field.

[akpm@osdl.org: sparc64 build fix]
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/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 2645153..c4e1b3b 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -100,7 +100,7 @@
 	cpu_set(cpu_logical_id(hwid), mask);
 
 	if (irq < NR_IRQS) {
-		irq_affinity[irq] = mask;
+		irq_desc[irq].affinity = mask;
 		irq_redir[irq] = (char) (redir & 0xff);
 	}
 }
@@ -131,7 +131,7 @@
 		if (desc->status == IRQ_PER_CPU)
 			continue;
 
-		cpus_and(mask, irq_affinity[irq], cpu_online_map);
+		cpus_and(mask, irq_desc[irq].affinity, cpu_online_map);
 		if (any_online_cpu(mask) == NR_CPUS) {
 			/*
 			 * Save it for phase 2 processing