From 419ae74ecc9494e58928a5c6652f4c072f3ca744 Mon Sep 17 00:00:00 2001 From: Ilpo Järvinen Date: Thu, 27 Mar 2008 17:54:01 -0700 Subject: [NET]: uninline skb_trim, de-bloats MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Allyesconfig (v2.6.24-mm1): -10976 209 funcs, 123 +, 11099 -, diff: -10976 --- skb_trim Without number of debug related CONFIGs (v2.6.25-rc2-mm1): -7360 192 funcs, 131 +, 7491 -, diff: -7360 --- skb_trim skb_trim | +42 Signed-off-by: Ilpo Järvinen Signed-off-by: David S. Miller --- net/core/skbuff.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'net/core/skbuff.c') diff --git a/net/core/skbuff.c b/net/core/skbuff.c index a37127b5899c..86e5682728be 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -931,6 +931,22 @@ unsigned char *skb_pull(struct sk_buff *skb, unsigned int len) } EXPORT_SYMBOL(skb_pull); +/** + * skb_trim - remove end from a buffer + * @skb: buffer to alter + * @len: new length + * + * Cut the length of a buffer down by removing data from the tail. If + * the buffer is already under the length specified it is not modified. + * The skb must be linear. + */ +void skb_trim(struct sk_buff *skb, unsigned int len) +{ + if (skb->len > len) + __skb_trim(skb, len); +} +EXPORT_SYMBOL(skb_trim); + /* Trims skb to length len. It can change skb pointers. */ -- cgit v1.2.3