From: Sasha Levin <sashal@kernel.org>
To: Alakesh Haloi <alakeshh@amazon.com>
Cc: stable@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
Eric Dumazet <edumazet@google.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tcp: Namespace-ify sysctl_tcp_rmem and sysctl_tcp_wmem
Date: Sun, 17 Feb 2019 14:21:33 -0500 [thread overview]
Message-ID: <20190217192133.GN10616@sasha-vm> (raw)
In-Reply-To: <20190214011159.GA35034@dev-dsk-alakeshh-2c-f8a3e6e0.us-west-2.amazon.com>
On Thu, Feb 14, 2019 at 01:12:08AM +0000, Alakesh Haloi wrote:
>[ Upstream commit 356d1833b638bd465672aefeb71def3ab93fc17d ]
>
>Note that when a new netns is created, it inherits its
>sysctl_tcp_rmem and sysctl_tcp_wmem from initial netns.
>
>This change is needed so that we can refine TCP rcvbuf autotuning,
>to take RTT into consideration.
>
>Signed-off-by: Eric Dumazet <edumazet@google.com>
>Cc: Wei Wang <weiwan@google.com>
>Signed-off-by: David S. Miller <davem@davemloft.net>
>[alakeshh: backport to v4.14: The patch does not apply to v4.14
>directly and hence needed manual backport. Function signature for
>the function tcp_select_initial_window had to be changed to be able
>to pass pointer to struct sock.]
>Signed-off-by: Alakesh Haloi <alakeshh@amazon.com>
>Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
>Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
>Cc: Eric Dumazet <edumazet@google.com>
>Cc: <stable@vger.kernel.org> # 4.14.x
What does this fix? This is a new interface...
--
Thanks,
Sasha
next prev parent reply other threads:[~2019-02-17 19:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-14 1:12 [PATCH] tcp: Namespace-ify sysctl_tcp_rmem and sysctl_tcp_wmem Alakesh Haloi
2019-02-17 19:21 ` Sasha Levin [this message]
2019-02-18 12:22 ` Greg KH
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