Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
tcp: move tcp_clean_acked to tcp_sock_read_tx group
tp->tcp_clean_acked is fetched in tx path when snd_una is updated.
This field thus belongs to tcp_sock_read_tx group.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250919204856.2977245-7-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Eric Dumazet
and committed by
Jakub Kicinski
a105ea47
969904dc
+7
-7
+1
-1
Documentation/networking/net_cachelines/tcp_sock.rst
+1
-1
Documentation/networking/net_cachelines/tcp_sock.rst
···
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27
u32 snd_una read_mostly read_write tcp_wnd_end,tcp_urg_mode,tcp_minshall_check,tcp_cwnd_validate(tx);tcp_ack,tcp_may_update_window,tcp_clean_rtx_queue(write),tcp_ack_tstamp(rx)
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u32 snd_sml read_write tcp_minshall_check,tcp_minshall_update
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u32 rcv_tstamp read_write read_write tcp_ack
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-
void * tcp_clean_acked read_mostly tcp_ack
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+
void * tcp_clean_acked read_mostly tcp_ack
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u32 lsndtime read_write tcp_slow_start_after_idle_check,tcp_event_data_sent
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u32 last_oow_ack_time
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u32 compressed_ack_rcv_nxt
+3
-3
include/linux/tcp.h
+3
-3
include/linux/tcp.h
···
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u16 gso_segs; /* Max number of segs per GSO packet */
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/* from STCP, retrans queue hinting */
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struct sk_buff *retransmit_skb_hint;
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+
#if defined(CONFIG_TLS_DEVICE)
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+
void (*tcp_clean_acked)(struct sock *sk, u32 acked_seq);
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+
#endif
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__cacheline_group_end(tcp_sock_read_tx);
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/* TXRX read-mostly hotpath cache lines */
···
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struct minmax rtt_min;
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/* OOO segments go in this rbtree. Socket lock must be held. */
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struct rb_root out_of_order_queue;
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-
#if defined(CONFIG_TLS_DEVICE)
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-
void (*tcp_clean_acked)(struct sock *sk, u32 acked_seq);
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-
#endif
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__cacheline_group_end(tcp_sock_read_rx);
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/* TX read-write hotpath cache lines */
+3
-3
net/ipv4/tcp.c
+3
-3
net/ipv4/tcp.c
···
5101
5101
CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, notsent_lowat);
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CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, gso_segs);
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CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, retransmit_skb_hint);
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+
#if IS_ENABLED(CONFIG_TLS_DEVICE)
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+
CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_tx, tcp_clean_acked);
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+
#endif
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/* TXRX read-mostly hotpath cache lines */
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CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_txrx, tsoffset);
···
5127
5124
CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, rtt_min);
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CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, out_of_order_queue);
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CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, snd_ssthresh);
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-
#if IS_ENABLED(CONFIG_TLS_DEVICE)
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-
CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_read_rx, tcp_clean_acked);
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-
#endif
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/* TX read-write hotpath cache lines */
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CACHELINE_ASSERT_GROUP_MEMBER(struct tcp_sock, tcp_sock_write_tx, segs_out);