netdev - Re: [PATCH net] tcp: increase tcp_max_syn

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Message-Id: <20191031.140218.1305911211417298702.davem@davemloft.net>
Date:   Thu, 31 Oct 2019 14:02:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        ncardwell@...gle.com, ycheng@...gle.com, w@....eu, ycao009@....edu
Subject: Re: [PATCH net] tcp: increase tcp_max_syn_backlog max value

From: Eric Dumazet <edumazet@...gle.com>
Date: Wed, 30 Oct 2019 10:05:46 -0700

> tcp_max_syn_backlog default value depends on memory size
> and TCP ehash size. Before this patch, the max value
> was 2048 [1], which is considered too small nowadays.
> 
> Increase it to 4096 to match the recent SOMAXCONN change.
> 
> [1] This is with TCP ehash size being capped to 524288 buckets.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied.