Re: [PATCH net-next v6 3/3] udp: use it's own memory accounting schema

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On Fri, 2016-10-21 at 13:55 +0200, Paolo Abeni wrote:
> Completely avoid default sock memory accounting and replace it
> with udp-specific accounting.
> 
> Since the new memory accounting model encapsulates completely
> the required locking, remove the socket lock on both enqueue and
> dequeue, and avoid using the backlog on enqueue.
> 
> Be sure to clean-up rx queue memory on socket destruction, using
> udp its own sk_destruct.
> 
> Tested using pktgen with random src port, 64 bytes packet,
> wire-speed on a 10G link as sender and udp_sink as the receiver,
> using an l4 tuple rxhash to stress the contention, and one or more
> udp_sink instances with reuseport.
> 
> nr readers      Kpps (vanilla)  Kpps (patched)
> 1               170             440

Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>

Thanks a lot guys.


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