[PATCH 4/7] random: make irq_timer_state to use dyn_array

[Yinghai Lu]

Signed-off-by: Yinghai Lu <yhlu.kernel@xxxxxxxxx>

---
 drivers/char/random.c |    6 ++++++
 1 file changed, 6 insertions(+)

Index: linux-2.6/drivers/char/random.c
===================================================================
--- linux-2.6.orig/drivers/char/random.c
+++ linux-2.6/drivers/char/random.c
@@ -558,7 +558,13 @@ struct timer_rand_state {
 };
 
 static struct timer_rand_state input_timer_state;
+
+#ifdef CONFIG_HAVE_DYN_ARRAY
+static struct timer_rand_state **irq_timer_state;
+DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL);
+#else
 static struct timer_rand_state *irq_timer_state[NR_IRQS];
+#endif
 
 /*
  * This function adds entropy to the entropy "pool" by using timing
--
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