netdev - Re: [PATCH net-next] netlink: allow large data transfers from user-space

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Message-ID: <1370273152.24311.150.camel@edumazet-glaptop>
Date:	Mon, 03 Jun 2013 08:25:52 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Pablo Neira Ayuso <pablo@...filter.org>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, kaber@...sh.net
Subject: Re: [PATCH net-next] netlink: allow large data transfers from
 user-space

On Mon, 2013-06-03 at 17:10 +0200, Pablo Neira Ayuso wrote:

> +	if (size <= PAGE_SIZE)
> +		return alloc_skb(size, GFP_KERNEL);
> +

That would be

 	if (size < SKB_WITH_OVERHEAD(PAGE_SIZE))

or

	if (size < SKB_MAX_HEAD(0))


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