Re: [PATCH 2/2] NET: Multiqueue network device support.

[David Miller]

From: Peter P.Waskiewicz Jr. <peter.p.waskiewicz.jr@xxxxxxxxx>
Date: Mon, 09 Apr 2007 13:50:52 -0700

> From: Peter P. Waskiewicz Jr. <peter.p.waskiewicz.jr@xxxxxxxxx>
> 
> Added an API and associated supporting routines for multiqueue network devices.
> This allows network devices supporting multiple TX queues to configure each
> queue within the netdevice and manage each queue independantly.  Changes to the
> PRIO Qdisc also allow a user to map multiple flows to individual TX queues,
> taking advantage of each queue on the device.
> 
> Signed-off-by: Peter P. Waskiewicz Jr <peter.p.waskiewicz.jr@xxxxxxxxx>
> Signed-off-by: Auke Kok <auke-jan.h.kok@xxxxxxxxx>

This looks definitely better than the previous implementation,
myself and others will review this in more depth though.

> + 	alloc_size = (sizeof(struct net_device_subqueue) * queue_count);
> + 
> + 	p = kzalloc(alloc_size, GFP_KERNEL);
> + 	if (!p) {
> + 		printk(KERN_ERR "alloc_netdev: Unable to allocate queues.\n");
> + 		return NULL;
> + 	}
> + 
> + 	dev->egress_subqueue = (struct net_device_subqueue *)p;

No need for a cast, 'p' is "void *".
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