From 10369080454d87ee5b2db211ce947cb3118f0e13 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 7 Mar 2023 14:59:59 +0000 Subject: net: reclaim skb->scm_io_uring bit Commit 0091bfc81741 ("io_uring/af_unix: defer registered files gc to io_uring release") added one bit to struct sk_buff. This structure is critical for networking, and we try very hard to not add bloat on it, unless absolutely required. For instance, we can use a specific destructor as a wrapper around unix_destruct_scm(), to identify skbs that unix_gc() has to special case. Signed-off-by: Eric Dumazet Cc: Pavel Begunkov Cc: Thadeu Lima de Souza Cascardo Cc: Jens Axboe Reviewed-by: Jens Axboe Reviewed-by: Pavel Begunkov Signed-off-by: David S. Miller --- net/unix/scm.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'net/unix/scm.c') diff --git a/net/unix/scm.c b/net/unix/scm.c index aa27a02478dc..f9152881d77f 100644 --- a/net/unix/scm.c +++ b/net/unix/scm.c @@ -152,3 +152,9 @@ void unix_destruct_scm(struct sk_buff *skb) sock_wfree(skb); } EXPORT_SYMBOL(unix_destruct_scm); + +void io_uring_destruct_scm(struct sk_buff *skb) +{ + unix_destruct_scm(skb); +} +EXPORT_SYMBOL(io_uring_destruct_scm); -- cgit v1.2.3-58-ga151