On Tue, 2016-09-27 at 11:42 -0700, Eric Dumazet wrote:
> On Tue, 2016-09-27 at 18:58 +0200, Paolo Abeni wrote:
>
>
> >
> > Since the new memory accounting model does not require socket
> > locking, remove the lock on enqueue and free and avoid using the
> > backlog on enqueue.
>
>
> ...
>
> > __UDP_INC_STATS(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite);
> > @@ -2345,6 +2325,7 @@ struct proto udp_prot = {
> > .connect = ip4_datagram_connect,
> > .disconnect = udp_disconnect,
> > .ioctl = udp_ioctl,
> > + .init = udp_init_sock,
> > .destroy = udp_destroy_sock,
> > .setsockopt = udp_setsockopt,
> > .getsockopt = udp_getsockopt,
> > @@ -2357,7 +2338,10 @@ struct proto udp_prot = {
> > .unhash = udp_lib_unhash,
> > .rehash = udp_v4_rehash,
> > .get_port = udp_v4_get_port,
> > + .enter_memory_pressure = udp_enter_memory_pressure,
> > + .sockets_allocated = &udp_sockets_allocated,
> > .memory_allocated = &udp_memory_allocated,
> > + .memory_pressure = &udp_memory_pressure,
> > .sysctl_mem = sysctl_udp_mem,
> > .sysctl_wmem = &sysctl_udp_wmem_min,
> > .sysctl_rmem = &sysctl_udp_rmem_min,
>
>
> I find disturbing you did not remove
>
> .backlog_rcv = __udp_queue_rcv_skb,
oops, left-over. I'll remove it in v3.
Thank you for pointing it out,
Paolo
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