introduce the skb_copy_to_va_nocache() helper to avoid
calling virt_to_page() and skb_copy_to_page_nocache().
Signed-off-by: Yunsheng Lin <[email protected]>
---
include/net/sock.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/include/net/sock.h b/include/net/sock.h
index a495330c5c49..d214aeca72ad 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2272,6 +2272,21 @@ static inline int skb_copy_to_page_nocache(struct sock *sk, struct iov_iter *fro
return 0;
}
+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, va, copy, skb->len);
+ if (err)
+ return err;
+
+ skb_len_add(skb, copy);
+ sk_wmem_queued_add(sk, copy);
+ sk_mem_charge(sk, copy);
+ return 0;
+}
+
/**
* sk_wmem_alloc_get - returns write allocations
* @sk: socket
--
2.33.0