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From: Alexey Dobriyan <adobriyan@gmail.com>
To: Mike Travis <travis@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	James Morris <jmorris@namei.org>,
	Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH 08/10] net: remove NR_CPUS arrays in net/core/dev.c
Date: Tue, 25 Mar 2008 08:57:52 +0300	[thread overview]
Message-ID: <20080325055752.GA4774@martell.zuzino.mipt.ru> (raw)
In-Reply-To: <20080325021956.212787000@polaris-admin.engr.sgi.com>

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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  reply	other threads:[~2008-03-25  6:00 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-25  2:19 [PATCH 00/10] NR_CPUS: third reduction of NR_CPUS memory usage Mike Travis
2008-03-25  2:19 ` [PATCH 01/10] x86_64: Cleanup non-smp usage of cpu maps v4 Mike Travis
2008-03-25  2:19 ` [PATCH 02/10] init: move setup of nr_cpu_ids to as early as possible v4 Mike Travis
2008-03-25  2:19 ` [PATCH 03/10] cpufreq: change cpu freq arrays to per_cpu variables Mike Travis
2008-03-25  2:19 ` [PATCH 04/10] acpi: change processors from array to per_cpu variable Mike Travis
2008-03-25  2:19 ` [PATCH 05/10] cpumask: Add cpumask_scnprintf_len function Mike Travis
2008-03-25  2:20 ` [PATCH 06/10] x86: reduce memory and stack usage in intel_cacheinfo Mike Travis
2008-03-25  2:20 ` [PATCH 07/10] cpu: change cpu_sys_devices from array to per_cpu variable Mike Travis
2008-03-25  2:20 ` [PATCH 08/10] net: remove NR_CPUS arrays in net/core/dev.c Mike Travis
2008-03-25  5:57   ` Alexey Dobriyan [this message]
2008-03-25 15:02     ` Mike Travis
2008-03-25  2:20 ` [PATCH 09/10] x86: oprofile: remove NR_CPUS arrays in arch/x86/oprofile/nmi_int.c Mike Travis
2008-03-25  2:20 ` [PATCH 10/10] sched: Remove fixed NR_CPUS sized arrays in kernel_sched.c Mike Travis

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