From 70c71606190e9115e5f8363bfcd164c582eb314a Mon Sep 17 00:00:00 2001
From: Paul Gortmaker <paul.gortmaker@windriver.com>
Date: Sun, 22 May 2011 16:47:17 -0400
Subject: Add appropriate <linux/prefetch.h> include for prefetch users

After discovering that wide use of prefetch on modern CPUs
could be a net loss instead of a win, net drivers which were
relying on the implicit inclusion of prefetch.h via the list
headers showed up in the resulting cleanup fallout.  Give
them an explicit include via the following $0.02 script.

 =========================================
 #!/bin/bash
 MANUAL=""
 for i in `git grep -l 'prefetch(.*)' .` ; do
 	grep -q '<linux/prefetch.h>' $i
 	if [ $? = 0 ] ; then
 		continue
 	fi

 	(	echo '?^#include <linux/?a'
 		echo '#include <linux/prefetch.h>'
 		echo .
 		echo w
 		echo q
 	) | ed -s $i > /dev/null 2>&1
 	if [ $? != 0 ]; then
 		echo $i needs manual fixup
 		MANUAL="$i $MANUAL"
 	fi
 done
 echo ------------------- 8\<----------------------
 echo vi $MANUAL
 =========================================

Signed-off-by: Paul <paul.gortmaker@windriver.com>
[ Fixed up some incorrect #include placements, and added some
  non-network drivers and the fib_trie.c case    - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 net/ipv4/fib_trie.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'net/ipv4')

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index c779ce96e5b..58c25ea5a5c 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -72,6 +72,7 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/slab.h>
+#include <linux/prefetch.h>
 #include <net/net_namespace.h>
 #include <net/ip.h>
 #include <net/protocol.h>
-- 
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