netdev - Re: Slow OOM in netif

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Message-ID: <20080204155526.GA7988@one.firstfloor.org>
Date:	Mon, 4 Feb 2008 16:55:26 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Ivan Dichev <idichev@....bg>
Cc:	Eric Dumazet <dada1@...mosbay.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Andi Kleen <andi@...stfloor.org>, netdev@...r.kernel.org
Subject: Re: Slow OOM in netif_RX function

> Nothing that looks like a struct net_device. All the dumped leaked slab
> look the same until "45 20 05 d8" (the ascii 'E' on the 3rd line).

45 ... is often the start of an IP header (IPv4, 5*4=20 bytes length)

You could dump them to a file (e.g. using a sial script) and then
look at them with tcpdump or similar to get an idea what kinds 
of packets they are.

-Andi

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