diff options
Diffstat (limited to 'net/ipv4/tcp_output.c')
| -rw-r--r-- | net/ipv4/tcp_output.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 956bea9a5394..ccf1ef4dcba4 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -964,6 +964,13 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, */ skb->ooo_okay = sk_wmem_alloc_get(sk) < SKB_TRUESIZE(1); + /* If we had to use memory reserve to allocate this skb, + * this might cause drops if packet is looped back : + * Other socket might not have SOCK_MEMALLOC. + * Packets not looped back do not care about pfmemalloc. + */ + skb->pfmemalloc = 0; + skb_push(skb, tcp_header_size); skb_reset_transport_header(skb); |