Merge branch 'net-more-bulk-free-users'

Jesper Dangaard Brouer says:

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net: bulk free adjustment and two driver use-cases

I've split out the bulk free adjustments, from the bulk alloc patches,
as I want the adjustment to napi_consume_skb be in same kernel cycle
the API was introduced.

Adjustments based on discussion:
 Subj: "mlx4: use napi_consume_skb API to get bulk free operations"
 http://thread.gmane.org/gmane.linux.network/402503/focus=403386

Patchset based on net-next at commit 3ebeac1d0295

V4: more nitpicks from Sergei
V3: spelling fixes from Sergei
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Signed-off-by: David S. Miller <davem@davemloft.net>