From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Perches <joe@perches.com>
Subject: Re: [PATCH 0/2] netpoll: Trivial updates
Date: Thu, 30 Jun 2011 20:55:22 -0700
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Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
To: Cong Wang <amwang@redhat.com>
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On Fri, 2011-07-01 at 11:49 +0800, Cong Wang wrote:
> =E4=BA=8E 2011=E5=B9=B407=E6=9C=8801=E6=97=A5 11:35, Joe Perches =E5=86=
=99=E9=81=93:
> >> BTW, you can kill the export of netpoll_send_skb_on_dev() too.
> > Not too sure about that.
> > It's used in netpoll.h by netpoll_send_skb.
> > It could be called from anywhere.
> > It's currently called/used by bonding.h.
> % git grep netpoll_send_skb_on_dev .
> include/linux/netpoll.h:void netpoll_send_skb_on_dev(struct netpoll *=
np, struct sk_buff *skb,
> include/linux/netpoll.h:        netpoll_send_skb_on_dev(np, skb, np->=
dev);
> net/core/netpoll.c:void netpoll_send_skb_on_dev(struct netpoll *np, s=
truct sk_buff *skb,
> net/core/netpoll.c:EXPORT_SYMBOL(netpoll_send_skb_on_dev);
> No modules use it...

Read what I wrote.

Look up one level at where it's used by netpoll.h.