Commit 0e4e4220 authored Sep 08, 2005 by Stephen Hemminger Committed by David S. Miller Sep 08, 2005

[NET]: Optimize pskb_trim_rcsum()



Since packets almost never contain extra garbage at the end, it is
worthwhile to optimize for that case.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 1b11d78c

include/linux/skbuff.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -1167,7 +1167,7 @@ static inline void skb_postpull_rcsum(struct sk_buff *skb,

		static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
		{
		if (len >= skb->len)
		if (likely(len >= skb->len))
		return 0;
		if (skb->ip_summed == CHECKSUM_HW)
		skb->ip_summed = CHECKSUM_NONE;