net: Remove prefetches from SKB list handlers.

Noticed by Linus.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 827681540d6f531b7407a4cf99bb1dc3f4b31522..09901fdd73ae56546000eae4b97fc578aeca8ff1 100644 (file)
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1783,7 +1783,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
 
 #define skb_queue_walk(queue, skb) \
                for (skb = (queue)->next;                                       \
-                    prefetch(skb->next), (skb != (struct sk_buff *)(queue));   \
+                    (skb != (struct sk_buff *)(queue));                        \
                     skb = skb->next)
 
 #define skb_queue_walk_safe(queue, skb, tmp)                                   \
@@ -1792,7 +1792,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
                     skb = tmp, tmp = skb->next)
 
 #define skb_queue_walk_from(queue, skb)                                                \
-               for (; prefetch(skb->next), (skb != (struct sk_buff *)(queue)); \
+               for (; (skb != (struct sk_buff *)(queue));                      \
                     skb = skb->next)
 
 #define skb_queue_walk_from_safe(queue, skb, tmp)                              \
@@ -1802,7 +1802,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
 
 #define skb_queue_reverse_walk(queue, skb) \
                for (skb = (queue)->prev;                                       \
-                    prefetch(skb->prev), (skb != (struct sk_buff *)(queue));   \
+                    (skb != (struct sk_buff *)(queue));                        \
                     skb = skb->prev)
 
 #define skb_queue_reverse_walk_safe(queue, skb, tmp)                           \