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-rw-r--r--net/ipv4/tcp.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index ecbc89a0436b..45156be3abfd 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -897,9 +897,12 @@ static inline int select_size(const struct sock *sk, bool sg)
int tmp = tp->mss_cache;
if (sg) {
- if (sk_can_gso(sk))
- tmp = 0;
- else {
+ if (sk_can_gso(sk)) {
+ /* Small frames wont use a full page:
+ * Payload will immediately follow tcp header.
+ */
+ tmp = SKB_WITH_OVERHEAD(2048 - MAX_TCP_HEADER);
+ } else {
int pgbreak = SKB_MAX_HEAD(MAX_TCP_HEADER);
if (tmp >= pgbreak &&