From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH net-next] net: netdev_alloc_skb() use build_skb()
Date: Mon, 04 Jun 2012 21:56:52 +0200
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Cc: Willy Tarreau <w@1wt.eu>, David Miller <davem@davemloft.net>,
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To: "Michael S. Tsirkin" <mst@redhat.com>
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On Mon, 2012-06-04 at 22:48 +0300, Michael S. Tsirkin wrote:

> If I do this what will truesize be? 128, no?

My example was not correct, since you must have enough room for the
SKB_DATA_ALIGN(sizeof(struct skb_shared_info))  ( 320 bytes )

So it would be 128 + 320 = 448