[Patch bpf-next v5 3/4] skmsg: save some space in struct sk_psock
From: Cong Wang <hidden>
Date: 2025-12-28 00:22:42
Also in:
bpf
Subsystem:
bpf [l7 framework] (sockmap), the rest · Maintainers:
John Fastabend, Jakub Sitnicki, Jiayuan Chen, Linus Torvalds
From: Cong Wang <redacted> This patch aims to save some space in struct sk_psock and prepares for the next patch which will add more fields. psock->eval can only have 4 possible values, make it 8-bit is sufficient. psock->redir_ingress is just a boolean, using 1 bit is enough. Reviewed-by: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Cong Wang <redacted> --- include/linux/skmsg.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index 61e2c2e6840b..99ef5d501b8f 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h@@ -85,8 +85,8 @@ struct sk_psock { struct sock *sk_redir; u32 apply_bytes; u32 cork_bytes; - u32 eval; - bool redir_ingress; /* undefined if sk_redir is null */ + u8 eval; + u8 redir_ingress : 1; /* undefined if sk_redir is null */ struct sk_msg *cork; struct sk_psock_progs progs; #if IS_ENABLED(CONFIG_BPF_STREAM_PARSER)
--
2.34.1