linux-kernel - Re: PROBLEM: System call 'sendmsg' of process ospfd (quagga) causes kernel oops

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Date:	Thu, 20 Oct 2011 16:21:00 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.hengli.com.au
Cc:	eric.dumazet@...il.com, evonlanthen@...il.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	timo.teras@....fi
Subject: Re: PROBLEM: System call 'sendmsg' of process ospfd (quagga)
 causes kernel oops

From: Herbert Xu <herbert@...dor.hengli.com.au>
Date: Thu, 20 Oct 2011 11:35:41 +0200

> On Thu, Oct 20, 2011 at 05:30:50AM -0400, David Miller wrote:
>>
>> So I'm a little confused what your suggestion for rc10 really
>> is :-)
> 
> I meant his first initial patch :)
> 
> While it is suboptimal in the sense that should the value of
> needed_headroom increase we'll end up constantly reallocating
> skbs, I believe that it is at least semantically correct.

Ok, I applied Eric's patch which removes the dynamic changing of the
needed_headroom in IP_GRE.

Thanks everyone!
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