diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2013-05-28 10:09:22 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-05-28 10:09:29 +0200 |
| commit | 864bfb25b57a6766ea689befa5cf09a4353281ce (patch) | |
| tree | 478941ca6e76b8d77b71f5827a3ce751c46a72b5 /include/net/tcp.h | |
| parent | 071361d3473ebb8142907470ff12d59c59f6be72 (diff) | |
| parent | 49717cb40410fe4b563968680ff7c513967504c6 (diff) | |
| download | blackbird-op-linux-864bfb25b57a6766ea689befa5cf09a4353281ce.tar.gz blackbird-op-linux-864bfb25b57a6766ea689befa5cf09a4353281ce.zip | |
Merge branch 'master' into for-next
Merge with 49717cb ("kthread: Document ways of reducing OS jitter due
to per-CPU kthreads") to be able to apply fixup patch on top of it.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 23f2e98d4b65..cf0694d4ad60 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1045,6 +1045,10 @@ static inline bool tcp_prequeue(struct sock *sk, struct sk_buff *skb) if (sysctl_tcp_low_latency || !tp->ucopy.task) return false; + if (skb->len <= tcp_hdrlen(skb) && + skb_queue_len(&tp->ucopy.prequeue) == 0) + return false; + __skb_queue_tail(&tp->ucopy.prequeue, skb); tp->ucopy.memory += skb->truesize; if (tp->ucopy.memory > sk->sk_rcvbuf) { |
