netdev - Re: [PATCH net-next v3 0/6] refine rollover

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Message-Id: <20150513.154323.1473288790736699712.davem@davemloft.net>
Date:	Wed, 13 May 2015 15:43:23 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	willemb@...gle.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com,
	david.laight@...lab.com
Subject: Re: [PATCH net-next v3 0/6] refine rollover

From: Willem de Bruijn <willemb@...gle.com>
Date: Tue, 12 May 2015 11:56:44 -0400

> From: Willem de Bruijn <willemb@...gle.com>
> 
> refine packet socket rollover:
> 
> 1. mitigate a case of lock contention
> 2. avoid exporting resource exhaustion to other sockets,
>    by migrating only to a victim socket that has ample room
> 3. avoid reordering of most flows on the socket,
>    by migrating first the flow responsible for load imbalance
> 4. help processes detect load imbalance,
>    by exporting rollover counters
> 
> Context: rollover implements flow migration in packet socket fanout
> groups in case of extreme load imbalance. It is a specific
> implementation of migration that minimizes reordering by selecting
> the same victim socket when possible (and by selecting subsequent
> victims in a round robin fashion, from which its name derives).

The user API looks a lot better now, series applied, thanks Willem.
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