From: Jakub Kicinski <kuba@kernel•org>
To: Leon Hwang <leon.huangfu@shopee•com>
Cc: netdev@vger•kernel.org, "David S . Miller" <davem@davemloft•net>,
"Eric Dumazet" <edumazet@google•com>,
"Paolo Abeni" <pabeni@redhat•com>,
"Simon Horman" <horms@kernel•org>,
"Jonathan Corbet" <corbet@lwn•net>,
"Shuah Khan" <skhan@linuxfoundation•org>,
"David Ahern" <dsahern@kernel•org>,
"Neal Cardwell" <ncardwell@google•com>,
"Kuniyuki Iwashima" <kuniyu@google•com>,
"Ilpo Järvinen" <ij@kernel•org>,
"Ido Schimmel" <idosch@nvidia•com>,
kerneljasonxing@gmail•com, lance.yang@linux•dev,
jiayuan.chen@linux•dev, "Leon Hwang" <leon.hwang@linux•dev>,
linux-doc@vger•kernel.org, linux-kernel@vger•kernel.org
Subject: Re: [RFC PATCH net-next] tcp: Add net.ipv4.tcp_purge_receive_queue sysctl
Date: Wed, 25 Feb 2026 17:43:54 -0800 [thread overview]
Message-ID: <20260225174354.5a698ddb@kernel.org> (raw)
In-Reply-To: <20260225074633.149590-1-leon.huangfu@shopee.com>
On Wed, 25 Feb 2026 15:46:33 +0800 Leon Hwang wrote:
> Issue:
> When a TCP socket in the CLOSE_WAIT state receives a RST packet, the
> current implementation does not clear the socket's receive queue. This
> causes SKBs in the queue to remain allocated until the socket is
> explicitly closed by the application. As a consequence:
>
> 1. The page pool pages held by these SKBs are not released.
On what kernel version and driver are you observing this?
next prev parent reply other threads:[~2026-02-26 1:43 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-25 7:46 [RFC PATCH net-next] tcp: Add net.ipv4.tcp_purge_receive_queue sysctl Leon Hwang
2026-02-25 8:31 ` Eric Dumazet
2026-02-25 9:48 ` Leon Hwang
2026-02-26 1:43 ` Jakub Kicinski [this message]
2026-03-02 9:55 ` Leon Hwang
2026-03-03 0:22 ` Jakub Kicinski
2026-03-03 2:12 ` Leon Hwang
2026-03-03 3:55 ` Eric Dumazet
2026-03-03 6:26 ` Leon Hwang
2026-03-03 7:55 ` Leon Hwang
2026-03-03 8:17 ` Eric Dumazet
2026-03-03 8:54 ` Leon Hwang
2026-03-03 8:56 ` Eric Dumazet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260225174354.5a698ddb@kernel.org \
--to=kuba@kernel$(echo .)org \
--cc=corbet@lwn$(echo .)net \
--cc=davem@davemloft$(echo .)net \
--cc=dsahern@kernel$(echo .)org \
--cc=edumazet@google$(echo .)com \
--cc=horms@kernel$(echo .)org \
--cc=idosch@nvidia$(echo .)com \
--cc=ij@kernel$(echo .)org \
--cc=jiayuan.chen@linux$(echo .)dev \
--cc=kerneljasonxing@gmail$(echo .)com \
--cc=kuniyu@google$(echo .)com \
--cc=lance.yang@linux$(echo .)dev \
--cc=leon.huangfu@shopee$(echo .)com \
--cc=leon.hwang@linux$(echo .)dev \
--cc=linux-doc@vger$(echo .)kernel.org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=ncardwell@google$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
--cc=pabeni@redhat$(echo .)com \
--cc=skhan@linuxfoundation$(echo .)org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox