Re: [PATCH net] tcp: do not change rcv_ssthresh in tcp_measure_rcv_mss()
[email protected] Mon, 03 Aug 2026 21:30:10 +0000
| Newsgroups | org.kernel.vger.netdev,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <178579261039.2840566.9155529941452764214.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski <[email protected]>: On Fri, 24 Jul 2026 20:08:06 -0700 you wrote: > Commit f5da7c45188e ("tcp: adjust rcvq_space after updating scaling > ratio") replaced the direct window_clamp update in tcp_measure_rcv_mss() > with a call to tcp_set_window_clamp(), a helper that implements the > TCP_WINDOW_CLAMP setsockopt. As a side effect, the helper also shrinks > rcv_ssthresh via __tcp_adjust_rcv_ssthresh(). > > As a result, each scaling_ratio decrease detected by > tcp_measure_rcv_mss() also cuts rcv_ssthresh. Elsewhere in TCP, > rcv_ssthresh is usually cut under memory pressure and grows via > tcp_grow_window(). > > [...] Here is the summary with links: - [net] tcp: do not change rcv_ssthresh in tcp_measure_rcv_mss() https://git.kernel.org/netdev/net/c/0e125ecfe20c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html