[NET]: uninline skb_put, de-bloats a lot

Allyesconfig (v2.6.24-mm1):

~500 files changed
...
 869 funcs, 198 +, 111003 -, diff: -110805 --- skb_put
  skb_put                       | +104

Without number of debug related CONFIGs (v2.6.25-rc2-mm1):

-60744  855 funcs, 861 +, 61605 -, diff: -60744 --- skb_put
  skb_put                       |  +57

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 21 insertions, 0 deletions

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 0d0fd28a9041..3402eca768f8 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -857,6 +857,27 @@ free_skb:
         return err;
 }
 
+/**
+ *      skb_put - add data to a buffer
+ *      @skb: buffer to use
+ *      @len: amount of data to add
+ *
+ *      This function extends the used data area of the buffer. If this would
+ *      exceed the total buffer size the kernel will panic. A pointer to the
+ *      first byte of the extra data is returned.
+ */
+unsigned char *skb_put(struct sk_buff *skb, unsigned int len)
+{
+        unsigned char *tmp = skb_tail_pointer(skb);
+        SKB_LINEAR_ASSERT(skb);
+        skb->tail += len;
+        skb->len  += len;
+        if (unlikely(skb->tail > skb->end))
+                skb_over_panic(skb, len, __builtin_return_address(0));
+        return tmp;
+}
+EXPORT_SYMBOL(skb_put);
+
 /* Trims skb to length len. It can change skb pointers.
  */