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Date:	Mon, 10 Nov 2014 16:42:25 +0000
From:	David Vrabel <>
To:	Zoltan Kiss <>, <>,
	"David S. Miller" <>,
	Eric Dumazet <>,
	Konrad Rzeszutek Wilk <>,
	Boris Ostrovsky <>,
	Stefan Bader <>,
	Jay Vosburgh <>,
	<>, <>
Subject: Re: [Xen-devel] BUG in xennet_make_frags with paged skb data

On 10/11/14 16:39, Zoltan Kiss wrote:
> The BUG_ON suggested by Stefan would be still reasonable:
> BUG_ON(((page-compound_head(page))*PAGE_SIZE)+offset+len >
> PAGE_SIZE<<compound_order(compound_head(page)));

Well, it wouldn't trigger but I don't think it is useful any more.

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