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net: add missing prefetch.h include 

Fixes build errors on s390 and probably other archs as well:

  In file included from net/ipv4/ip_forward.c:32:0:
  include/net/udp.h: In function 'udp_csum_outgoing':
  include/net/udp.h:141:2: error: implicit declaration of function 'prefetch'

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Heiko Carstens 2011-05-22 18:55:10 +02:00 committed by Linus Torvalds
parent 9ce6e0be06
commit 34ea646c9f
1 changed files with 1 additions and 0 deletions
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include/linux/skbuff.h
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@ -28,6 +28,7 @@
#include <net/checksum.h>
#include <linux/rcupdate.h>
#include <linux/dmaengine.h>
#include <linux/prefetch.h>
#include <linux/hrtimer.h>
/* Don't change this without changing skb_csum_unnecessary! */