Re: Regression associated with commit c8628155ece3 - "tcp: reduceout_of_order memory use"

[David Miller]

From: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Date: Tue, 21 Aug 2012 23:07:46 -0500

> I find it hard to understand why this patch should cause these
> effects; however, I have verified that a kernel generated from "git
> checkout e86b2919" works fine. This commit is immediately before the
> patch in question.

I can guarentee it's improper skb->truesize setting in these drivers,
or use of too huge buffer sizes compared to the amount of data
contained within the packet.
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