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Date:	Thu, 22 May 2014 14:03:21 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jim Baxter <jim_baxter@...tor.com>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>, kamal@...onical.com,
	Ben Hutchings <bhutchings@...arflare.com>, edumazet@...gle.com,
	mszeredi@...e.cz, fw@...len.de
Subject: Re: skbuff truesize incorrect.

On Thu, 2014-05-22 at 13:58 -0700, Eric Dumazet wrote:

> I would set rx_max (rx_urb_size) to SKB_MAX_HEAD(0) so that you do not
> use high order allocations.

Correction, that would need SKB_MAX_HEAD(NET_SKB_PAD + NET_IP_ALIGN),
because drivers/net/usb/usbnet.c calls __netdev_alloc_skb_ip_align().



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