linux-kernel - [PATCH] e1000e: Use deferrable timer for watchdog

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Message-ID: <Pine.LNX.4.64.0712182046560.3616@mini.warudkars.net>
Date:	Tue, 18 Dec 2007 20:49:47 -0500 (EST)
From:	Parag Warudkar <parag.warudkar@...il.com>
To:	netdev@...r.kernel.org, linux.nics@...el.com
cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: [PATCH] e1000e: Use deferrable timer for watchdog


Reduce wakeups from idle per second.

Signed-off-by: Parag Warudkar <parag.warudkar@...il.com>

--- linux-2.6/drivers/net/e1000e/netdev.c	2007-12-07 10:04:39.000000000 -0500
+++ linux-2.6-work/drivers/net/e1000e/netdev.c	2007-12-18 20:45:59.000000000 -0500
@@ -3899,7 +3899,7 @@
  		goto err_eeprom;
  	}

-	init_timer(&adapter->watchdog_timer);
+	init_timer_deferrable(&adapter->watchdog_timer);
  	adapter->watchdog_timer.function = &e1000_watchdog;
  	adapter->watchdog_timer.data = (unsigned long) adapter;

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