netdev - Re: [PATCH net 0/4] tcp: add three static keys

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Message-Id: <20190614.201840.1535431493194799515.davem@davemloft.net>
Date:   Fri, 14 Jun 2019 20:18:40 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, willemb@...gle.com, feng.tang@...el.com,
        eric.dumazet@...il.com
Subject: Re: [PATCH net 0/4] tcp: add three static keys

From: Eric Dumazet <edumazet@...gle.com>
Date: Fri, 14 Jun 2019 16:22:17 -0700

> Recent addition of per TCP socket rx/tx cache brought
> regressions for some workloads, as reported by Feng Tang.
> 
> It seems better to make them opt-in, before we adopt better
> heuristics.
> 
> The last patch adds high_order_alloc_disable sysctl
> to ask TCP sendmsg() to exclusively use order-0 allocations,
> as mm layer has specific optimizations.

Series applied.