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February 2026

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[PATCH 0/1] migrate: Eliminate listening_sock field from TCP connection state
by David Gibson 02 Feb '26

02 Feb '26

A bunch of the things I'm working on right now are made more difficult by the lack of spare space in the TCP connection structure (without adding an additional cache line). I realised that even the minimal forwarding table implementation we have now allows at least one easy win though: the listening_sock field can be eliminated pretty easily. David Gibson (1): migrate: Use forward table information to close() listening sockets flow.c | 12 ++++++++++++ fwd.c | 21 +++++++++++++++++++++ fwd.h | 1 + tcp.c | 9 --------- tcp_conn.h | 3 --- 5 files changed, 34 insertions(+), 12 deletions(-) -- 2.52.0

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