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| author | Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> | 2008-03-27 17:52:40 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-27 17:52:40 -0700 |
| commit | c2aa270ad73d385bd6cdebf5d741bdf18a3e17ad (patch) | |
| tree | 1e8de0edce4f149a9918505f495550c8ac9bac56 /include/linux/skbuff.h | |
| parent | f58518e678e5eef430c8d5cdcc7cd28d285f1980 (diff) | |
| download | kernel-crypto-c2aa270ad73d385bd6cdebf5d741bdf18a3e17ad.tar.gz kernel-crypto-c2aa270ad73d385bd6cdebf5d741bdf18a3e17ad.tar.xz kernel-crypto-c2aa270ad73d385bd6cdebf5d741bdf18a3e17ad.zip | |
[NET]: uninline skb_push, de-bloats a lot
Allyesconfig (v2.6.24-mm1):
-21593 356 funcs, 2418 +, 24011 -, diff: -21593 --- skb_push
Without many debug related CONFIGs (v2.6.25-rc2-mm1):
-13890 341 funcs, 189 +, 14079 -, diff: -13890 --- skb_push
skb_push | +46
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/skbuff.h')
| -rw-r--r-- | include/linux/skbuff.h | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 01a11b0c029..1baf4d43bb2 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -902,6 +902,7 @@ static inline unsigned char *__skb_put(struct sk_buff *skb, unsigned int len) return tmp; } +extern unsigned char *skb_push(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len) { skb->data -= len; @@ -909,24 +910,6 @@ static inline unsigned char *__skb_push(struct sk_buff *skb, unsigned int len) return skb->data; } -/** - * skb_push - add data to the start of a buffer - * @skb: buffer to use - * @len: amount of data to add - * - * This function extends the used data area of the buffer at the buffer - * start. If this would exceed the total buffer headroom the kernel will - * panic. A pointer to the first byte of the extra data is returned. - */ -static inline unsigned char *skb_push(struct sk_buff *skb, unsigned int len) -{ - skb->data -= len; - skb->len += len; - if (unlikely(skb->data<skb->head)) - skb_under_panic(skb, len, current_text_addr()); - return skb->data; -} - extern unsigned char *skb_pull(struct sk_buff *skb, unsigned int len); static inline unsigned char *__skb_pull(struct sk_buff *skb, unsigned int len) { |