From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: ICMP packets - ll_temac with Microblaze
Date: Wed, 21 Dec 2011 11:28:54 +0100
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Cc: David Miller <davem@davemloft.net>,
	John Williams <john.williams@petalogix.com>,
	netdev@vger.kernel.org
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Le mercredi 21 d=C3=A9cembre 2011 =C3=A0 11:11 +0100, Michal Simek a =C3=
=A9crit :
> Hi Eric and David,
>=20
> I have found one problem with ll_temac driver and
> this commit: net: more accurate skb truesize
> sha1: 87fb4b7b533073eeeaed0b6bf7c2328995f6c075
>=20
> The problem is only with icmp packets from the target. It is sent and=
 driver receive it
> but it is not proceed to the application.
>=20
> The problem I see is that kmalloc_node_track_caller allocate
> specific size and then this size is changed by SKB_WITH_OVERHEAD(ksiz=
e(data)).
> The problem is with netdev_alloc_skb_ip_align which calls __alloc_skb=
 function.
>=20
> Currently driver uses setting for jumbo frames (9k). When I change it=
 to use mtu (1,5k) then
> everything is ok.
>=20
> Can you give me some hints what can be wrong?
>=20

Is it with SLUB, SLAB or SLOB allocator ?