Re: [PATCH 08/10] net: remove NR_CPUS arrays in net/core/dev.c

[Alexey Dobriyan]

On Mon, Mar 24, 2008 at 07:20:02PM -0700, Mike Travis wrote:
> Remove the fixed size channels[NR_CPUS] array in
> net/core/dev.c and dynamically allocate array based on
> nr_cpu_ids.

> @@ -4362,6 +4362,13 @@ netdev_dma_event(struct dma_client *clie
>   */
>  static int __init netdev_dma_register(void)
>  {
> +	net_dma.channels = kzalloc(nr_cpu_ids * sizeof(struct net_dma),
> +								GFP_KERNEL);
> +	if (unlikely(net_dma.channels)) {

		     !net_dma.channels

> +		printk(KERN_NOTICE
> +				"netdev_dma: no memory for net_dma.channels\n");
> +		return -ENOMEM;
> +	}

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