--- zzzz-none-000/linux-2.6.28.10/include/linux/inetdevice.h	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/include/linux/inetdevice.h	2009-12-11 11:48:18.000000000 +0000
@@ -173,6 +173,84 @@
 	return in_dev;
 }
 
+#ifdef CONFIG_DEV_REFCNT_DEBUG
+
+#include "linux/kallsyms.h"
+
+static inline void in_show_here(char *func, struct net_device *dev,
+                                 int refcnt, char *fn, int ln, 
+						         unsigned long ip)
+{
+   printk(KERN_DEBUG "%s: in %d dev %d %s() %s:%d",
+          dev->name, refcnt, atomic_read(&dev->refcnt),
+		  func, fn, ln);
+   print_ip_sym(ip);
+}
+
+#define in_dev_get(dev)	____in_dev_get(dev, __FILE__, __LINE__)
+
+static inline struct in_device *
+____in_dev_get(struct net_device *dev, char *fn, int ln)
+{
+	struct in_device *idev = NULL;
+	rcu_read_lock();
+	idev = __in_dev_get_rcu(dev);
+	if (idev) {
+		atomic_inc(&idev->refcnt);
+		in_show_here("in_dev_get", idev->dev, atomic_read(&idev->refcnt),
+		                         fn, ln,
+								 (unsigned long)__builtin_return_address(0));
+	}
+	rcu_read_unlock();
+	return idev;
+}
+
+static __inline__ struct in_device *
+__in_dev_get_rtnl(const struct net_device *dev)
+{
+	return (struct in_device*)dev->ip_ptr;
+}
+
+extern void in_dev_finish_destroy(struct in_device *idev);
+
+#define in_dev_put(idev) ____in_dev_put(idev, __FILE__, __LINE__)
+
+static inline void
+____in_dev_put(struct in_device *idev, char *fn, int ln)
+{
+	int tmp = atomic_dec_and_test(&idev->refcnt);
+
+	in_show_here("in_dev_put", idev->dev, atomic_read(&idev->refcnt),
+							 fn, ln,
+							 (unsigned long)__builtin_return_address(0));
+	if (tmp)
+		in_dev_finish_destroy(idev);
+}
+
+#define __in_dev_put(idev) ______in_dev_put(idev, __FILE__, __LINE__)
+
+static inline void
+______in_dev_put(struct in_device *idev, char *fn, int ln)
+{
+   atomic_dec(&(idev)->refcnt);
+   in_show_here("__in_dev_put", idev->dev, atomic_read(&idev->refcnt),
+							  fn, ln,
+							  (unsigned long)__builtin_return_address(0));
+}
+
+#define in_dev_hold(idev) ____in_dev_hold(idev, __FILE__, __LINE__)
+
+static inline void
+____in_dev_hold(struct in_device *idev, char *fn, int ln)
+{
+   atomic_inc(&(idev)->refcnt);
+   in_show_here("__in_dev_put", idev->dev, atomic_read(&idev->refcnt),
+							  fn, ln,
+							  (unsigned long)__builtin_return_address(0));
+}
+
+#else
+
 static __inline__ struct in_device *
 in_dev_get(const struct net_device *dev)
 {
@@ -202,6 +280,7 @@
 
 #define __in_dev_put(idev)  atomic_dec(&(idev)->refcnt)
 #define in_dev_hold(idev)   atomic_inc(&(idev)->refcnt)
+#endif
 
 #endif /* __KERNEL__ */