Hello:
This patch was applied to netdev/net.git (main)
by Jakub Kicinski [off-list ref]:
On Thu, 5 Nov 2026 13:40:43 +0100 you wrote:
When a socket is over its receive buffer limit and its sk_rcvbuf can
not grow, every incoming segment that needs memory goes through
tcp_prune_queue(), which runs tcp_collapse_ofo_queue() and tcp_collapse()
on the receive queue. Both walk their whole queue, even when there is
nothing left to collapse.
A peer can trigger this walk per packet, without refilling memory:
[...]
Here is the summary with links:
- [net] tcp: rate limit receive queue collapsing
https://git.kernel.org/netdev/net/c/c2213d9b61c1
You are awesome, thank you!
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