linux-kernel - Re: [PATCH 08/10] net: remove NR

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Date:	Tue, 25 Mar 2008 08:02:28 -0700
From:	Mike Travis <travis@....com>
To:	Alexey Dobriyan <adobriyan@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	James Morris <jmorris@...ei.org>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCH 08/10] net: remove NR_CPUS arrays in net/core/dev.c

Alexey Dobriyan wrote:
> 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;
>> +	}


Got it, Thanks!  

-Mike
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