[PATCH] irq: sparse irqs, export nr_irqs

[Ingo Molnar <mingo@elte.hu>]

>From c239ac14984518f2f3b7a920367c79bb6c3180e4 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Thu, 14 Aug 2008 15:58:26 +0200
Subject: [PATCH] irq: sparse irqs, export nr_irqs

fix:

  Building modules, stage 2.
  MODPOST 458 modules
  ERROR: "nr_irqs" [drivers/serial/8250.ko] undefined!

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 kernel/irq/handle.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index aa889c1..ce8774b 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -56,6 +56,7 @@ handle_bad_irq(unsigned int irq, struct irq_desc *desc)
  * Controller mappings for all interrupt sources:
  */
 int nr_irqs = NR_IRQS;
+EXPORT_SYMBOL_GPL(nr_irqs);
 
 #ifdef CONFIG_HAVE_DYN_ARRAY
 static struct irq_desc irq_desc_init = {