linux-kernel - [PATCH -next] net/ipv4/tcp_metrics.c: remove superfluous header files from tcp

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Message-ID: <20210925142733.24293-1-liumh1@shanghaitech.edu.cn>
Date:   Sat, 25 Sep 2021 22:27:33 +0800
From:   Mianhan Liu <liumh1@...nghaitech.edu.cn>
To:     Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        David Ahern <dsahern@...nel.org>
CC:     Jakub Kicinski <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Mianhan Liu <liumh1@...nghaitech.edu.cn>
Subject: [PATCH -next] net/ipv4/tcp_metrics.c: remove superfluous header files from tcp_metrics.c

tcp_metrics.c hasn't use any macro or function declared in rcupdate.h
spinlock.h, module.h, cache.h, hash.h and vmalloc.h. Thus, these files
can be removed from tcp_metrics.c safely without affecting the compilation
of the net module.

Signed-off-by: Mianhan Liu <liumh1@...nghaitech.edu.cn>

---
 net/ipv4/tcp_metrics.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 0588b004d..7b819530d 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -1,15 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <linux/rcupdate.h>
-#include <linux/spinlock.h>
 #include <linux/jiffies.h>
-#include <linux/module.h>
-#include <linux/cache.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/tcp.h>
-#include <linux/hash.h>
 #include <linux/tcp_metrics.h>
-#include <linux/vmalloc.h>
 
 #include <net/inet_connection_sock.h>
 #include <net/net_namespace.h>
-- 
2.25.1