linux-kernel - Re: [PATCH] Cleanup include/net/tcp.h include-files and coding-style

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Message-Id: <20110109130608.5c7bb4b0.rdunlap@xenotime.net>
Date:	Sun, 9 Jan 2011 13:06:08 -0800
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Christoph Paasch <christoph.paasch@...ouvain.be>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Cleanup include/net/tcp.h include-files and
 coding-style

On Sun,  9 Jan 2011 21:55:34 +0100 Christoph Paasch wrote:

> This patch reviews the include-files of net/tcp.h
> Several #include where redundant. Some where not directly needed by
> net/tcp.h
> 
> Files, including net/tcp.h where also including some the *.h-files that
> net/tcp.h is already including. Thus, in these files the inclusion of
> the *.h file is unnecessary.
> 
> Redundant includes in net/tcp.h:
> 
> linux/list.h --- included by linux/textsearch.h which is included by
>                  linux/skbuff.h

If there is something in net/tcp.h that uses data or functions from <linux/list.h>,
then <linux/list.h> should be #included in net/tcp.h, whether some other file
pulls it in indirectly or not.

etc. etc. etc.

> linux/slab.h --- included by linux/crypto.h
> linux/cache.h --- included by linux/skbuff.h
> linux/skbuff.h --- included by net/sock.h
> linux/kref.h --- included by linux/kobject.h, which is  included by
>                  linux/device.h, which is included by
>                  linux/dmaengine.h, which is included by
>                  linux/skbuff.h
> net/inet_connection_sock.h --- included by net/inet_hashtables.h
> net/checksum.h --- included by net/sock.h
> net/request_sock.h --- included by net/inet_connection_sock.h
> net/sock.h --- included by net/request_sock.h
> net/snmp.h --- included by net/ip.h
> net/dst.h --- included by net/sock.h
> linux/seq_file.h --- included by net/neighbour.h, which is included by
>                      net/dst.h
> 
> Include-files not directly needed by net/tcp.h:
> 
> linux/percpu.h
> linux/dmaengine.h
> net/tcp_states.h
> net/inet_ecn.h

---
~Randy
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