netdev - Re: [RFC PATCH] ip: re-introduce fragments cache worker

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Message-ID: <449a637d-5af5-1d0a-818a-e30c0007ae30@gmail.com>
Date:   Mon, 9 Jul 2018 05:50:53 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Westphal <fw@...len.de>, NeilBrown <neilb@...e.com>
Subject: Re: [RFC PATCH] ip: re-introduce fragments cache worker



On 07/09/2018 04:39 AM, Eric Dumazet wrote:

> Alternatively, you could try to patch fq_codel to drop all frags of one UDP datagram
> instead of few of them.

A first step would be to make sure fq_codel_hash() (using skb_get_hash(skb)) selects
the same bucket for all frags of a datagram :/