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

Alexey Dobriyan
2008-03-25T06:00:47Z

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;
> + }