netdev - Re: mac80211 truesize bugs

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Message-ID: <20080504094444.GA541@gondor.apana.org.au>
Date:	Sun, 4 May 2008 17:44:44 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Johannes Berg <johannes@...solutions.net>
Cc:	David Miller <davem@...emloft.net>, mb@...sch.de,
	netdev@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: mac80211 truesize bugs

On Sun, May 04, 2008 at 11:14:49AM +0200, Johannes Berg wrote:
>
> I just re-did the test, and I definitely need 29 more bytes on, for
> example, the IPv6 autodiscovery packets and ICMP packets generated with
> ping(8). Some of them even need additional tailroom.

Could you find out the code path that created the skb in the
kernel so we can see why there isn't enough head room?

Thanks,
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