linux-kernel - [PATCH 1/3] serial: change irq_lists to use dyn

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Message-Id: <200807302110.10585.yhlu.kernel@gmail.com>
Date:	Wed, 30 Jul 2008 21:10:10 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Dhaval Giani <dhaval@...ux.vnet.ibm.com>,
	Mike Travis <travis@....com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] serial: change irq_lists to use dyn_array


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

---
 drivers/serial/8250.c |    5 +++++
 1 file changed, 5 insertions(+)

Index: linux-2.6/drivers/serial/8250.c
===================================================================
--- linux-2.6.orig/drivers/serial/8250.c
+++ linux-2.6/drivers/serial/8250.c
@@ -149,7 +149,12 @@ struct irq_info {
 	struct list_head	*head;
 };
 
+#if defined(CONFIG_HAVE_DYN_ARRAY) && !defined(MODULE)
+static struct irq_info *irq_lists;
+DEFINE_DYN_ARRAY(irq_lists, sizeof(struct irq_info), nr_irqs, PAGE_SIZE, NULL);
+#else
 static struct irq_info irq_lists[NR_IRQS];
+#endif
 
 /*
  * Here we define the default xmit fifo size used for each type of UART.
--
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