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Commit 0fcbe742 authored by David S. Miller's avatar David S. Miller
Browse files

net: Remove prefetches from SKB list handlers. 



Noticed by Linus.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 69c867c9

include/linux/skbuff.h

+3 −3
Original line number Diff line number Diff line
@@ -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)				\