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From: David Miller <davem@davemloft.net>
To: edumazet@google.com
Cc: netdev@vger.kernel.org, willemb@google.com, feng.tang@intel.com,
	eric.dumazet@gmail.com
Subject: Re: [PATCH net 0/4] tcp: add three static keys
Date: Fri, 14 Jun 2019 20:18:40 -0700 (PDT)
Message-ID: <20190614.201840.1535431493194799515.davem@davemloft.net> (raw)
In-Reply-To: <20190614232221.248392-1-edumazet@google.com>

From: Eric Dumazet <edumazet@google.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.

      parent reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-14 23:22 Eric Dumazet
2019-06-14 23:22 ` [PATCH net 1/4] sysctl: define proc_do_static_key() Eric Dumazet
2019-06-14 23:45   ` Alexei Starovoitov
2019-06-14 23:55     ` Eric Dumazet
2019-06-15  0:04       ` Alexei Starovoitov
2019-06-14 23:22 ` [PATCH net 2/4] tcp: add tcp_rx_skb_cache sysctl Eric Dumazet
2019-06-16  7:38   ` Feng Tang
2019-06-14 23:22 ` [PATCH net 3/4] tcp: add tcp_tx_skb_cache sysctl Eric Dumazet
2019-06-16  7:42   ` Feng Tang
2019-06-14 23:22 ` [PATCH net 4/4] net: add high_order_alloc_disable sysctl/static key Eric Dumazet
2019-06-15  3:18 ` David Miller [this message]

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