irq: make irqs in kernel stat use per_cpu_dyn_array

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

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index cf9f40a91c9c..fe1f7fe534b4 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,7 +28,11 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
         struct cpu_usage_stat   cpustat;
+#ifdef CONFIG_HAVE_DYN_ARRAY
+        unsigned int *irqs;
+#else
         unsigned int irqs[NR_IRQS];
+#endif
 };
 
 DECLARE_PER_CPU(struct kernel_stat, kstat);