netdev - [PATCH net-next v19 09/14] net: rename skb_copy_to_page

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Message-Id: <20241001075858.48936-10-linyunsheng@huawei.com>
Date: Tue,  1 Oct 2024 15:58:52 +0800
From: Yunsheng Lin <yunshenglin0825@...il.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Yunsheng Lin <linyunsheng@...wei.com>,
	Alexander Duyck <alexander.duyck@...il.com>,
	Eric Dumazet <edumazet@...gle.com>,
	David Ahern <dsahern@...nel.org>
Subject: [PATCH net-next v19 09/14] net: rename skb_copy_to_page_nocache() helper

Rename skb_copy_to_page_nocache() to skb_copy_to_va_nocache()
to avoid calling virt_to_page() as we are about to pass virtual
address directly.

CC: Alexander Duyck <alexander.duyck@...il.com>
Signed-off-by: Yunsheng Lin <linyunsheng@...wei.com>
---
 include/net/sock.h | 10 ++++------
 net/ipv4/tcp.c     |  7 +++----
 net/kcm/kcmsock.c  |  7 +++----
 3 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index c58ca8dd561b..7d0b606d6251 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2185,15 +2185,13 @@ static inline int skb_add_data_nocache(struct sock *sk, struct sk_buff *skb,
 	return err;
 }
 
-static inline int skb_copy_to_page_nocache(struct sock *sk, struct iov_iter *from,
-					   struct sk_buff *skb,
-					   struct page *page,
-					   int off, int copy)
+static inline int skb_copy_to_va_nocache(struct sock *sk, struct iov_iter *from,
+					 struct sk_buff *skb, char *va,
+					 int copy)
 {
 	int err;
 
-	err = skb_do_copy_data_nocache(sk, skb, from, page_address(page) + off,
-				       copy, skb->len);
+	err = skb_do_copy_data_nocache(sk, skb, from, va, copy, skb->len);
 	if (err)
 		return err;
 
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 4f77bd862e95..8b03d8f48ac9 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1218,10 +1218,9 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
 			if (!copy)
 				goto wait_for_space;
 
-			err = skb_copy_to_page_nocache(sk, &msg->msg_iter, skb,
-						       pfrag->page,
-						       pfrag->offset,
-						       copy);
+			err = skb_copy_to_va_nocache(sk, &msg->msg_iter, skb,
+						     page_address(pfrag->page) +
+						     pfrag->offset, copy);
 			if (err)
 				goto do_error;
 
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index d4118c796290..f4462cf88ed5 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -856,10 +856,9 @@ static int kcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
 			if (!sk_wmem_schedule(sk, copy))
 				goto wait_for_memory;
 
-			err = skb_copy_to_page_nocache(sk, &msg->msg_iter, skb,
-						       pfrag->page,
-						       pfrag->offset,
-						       copy);
+			err = skb_copy_to_va_nocache(sk, &msg->msg_iter, skb,
+						     page_address(pfrag->page) +
+						     pfrag->offset, copy);
 			if (err)
 				goto out_error;
 
-- 
2.34.1