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Date:   Wed, 6 Jul 2022 14:18:39 -0700
From:   Jakub Kicinski <>
To:     Antoine Tenart <>
Cc:     Eric Dumazet <>,
        David Miller <>,
        Paolo Abeni <>,
        netdev <>
Subject: Re: [PATCH net-next] Documentation: add a description for

On Wed, 6 Jul 2022 15:24:58 +0200 Eric Dumazet wrote:
> linux-5.14 allowed high-order pages to be stored on the per-cpu lists.
> I ran again the benchmark cited in commit ce27ec60648d to confirm that
> the slowdown we had before 5.14 for
> high number of alloc/frees per second is no more.

Sounds useful to know - Antoine, do you reckon we can include a mention
of this knob being mostly of historical importance?

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