commit d60458b224d6b997a582a05cb8c4b9bed9e17a1d
author Yinghai Lu <yhlu.kernel@gmail.com> Tue Aug 19 20:50:00 2008 -0700
committer Ingo Molnar <mingo@elte.hu> Thu Oct 16 16:52:07 2008 +0200
tree 122710312c443069cb8e25a27032f09572550c45
parent 5aeecaf4908499b1fd006d313ccbacde6a6bac43

irq: make irq_desc to use dyn_array

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

include/linux/irq.h

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 1d73d1a..5f4b013 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -179,7 +179,11 @@
 	const char		*name;
 } ____cacheline_internodealigned_in_smp;
 
+#ifdef CONFIG_HAVE_DYN_ARRAY
+extern struct irq_desc *irq_desc;
+#else
 extern struct irq_desc irq_desc[NR_IRQS];
+#endif
 
 /*
  * Migration helpers for obsolete names, they will go away: