netdev - Re: [RFC net-next 2/2] udp: No longer use SLAB_DESTROY_BY

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Date:	Mon, 28 Mar 2016 09:15:00 -0700
From:	Rick Jones <rick.jones2@....com>
To:	Eric Dumazet <edumazet@...gle.com>,
	"David S . Miller" <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Tom Herbert <tom@...bertland.com>
Subject: Re: [RFC net-next 2/2] udp: No longer use SLAB_DESTROY_BY_RCU

On 03/25/2016 03:29 PM, Eric Dumazet wrote:
> UDP sockets are not short lived in the high usage case, so the added
> cost of call_rcu() should not be a concern.

Even a busy DNS resolver?

rick jones