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Message-ID: <20220706141839.469986f5@kernel.org> Date: Wed, 6 Jul 2022 14:18:39 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Antoine Tenart <atenart@...nel.org> Cc: Eric Dumazet <edumazet@...gle.com>, David Miller <davem@...emloft.net>, Paolo Abeni <pabeni@...hat.com>, netdev <netdev@...r.kernel.org> Subject: Re: [PATCH net-next] Documentation: add a description for net.core.high_order_alloc_disable 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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