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-rw-r--r--include/net/tcp.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index f6eba9652d..ab62e53f18 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1494,11 +1494,10 @@ static inline int tcp_space_from_win(const struct sock *sk, int win)
return __tcp_space_from_win(tcp_sk(sk)->scaling_ratio, win);
}
-/* Assume a conservative default of 1200 bytes of payload per 4K page.
+/* Assume a 50% default for skb->len/skb->truesize ratio.
* This may be adjusted later in tcp_measure_rcv_mss().
*/
-#define TCP_DEFAULT_SCALING_RATIO ((1200 << TCP_RMEM_TO_WIN_SCALE) / \
- SKB_TRUESIZE(4096))
+#define TCP_DEFAULT_SCALING_RATIO (1 << (TCP_RMEM_TO_WIN_SCALE - 1))
static inline void tcp_scaling_ratio_init(struct sock *sk)
{