[NET]: uninline skb_pull, de-bloats a lot
Allyesconfig (v2.6.24-mm1):
-28162 354 funcs, 3005 +, 31167 -, diff: -28162 --- skb_pull
Without number of debug related CONFIGs (v2.6.25-rc2-mm1):
-9697 338 funcs, 221 +, 9918 -, diff: -9697 --- skb_pull
skb_pull | +44
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 3402eca..cf489b6 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -878,6 +878,22 @@
}
EXPORT_SYMBOL(skb_put);
+/**
+ * skb_pull - remove data from the start of a buffer
+ * @skb: buffer to use
+ * @len: amount of data to remove
+ *
+ * This function removes data from the start of a buffer, returning
+ * the memory to the headroom. A pointer to the next data in the buffer
+ * is returned. Once the data has been pulled future pushes will overwrite
+ * the old data.
+ */
+unsigned char *skb_pull(struct sk_buff *skb, unsigned int len)
+{
+ return unlikely(len > skb->len) ? NULL : __skb_pull(skb, len);
+}
+EXPORT_SYMBOL(skb_pull);
+
/* Trims skb to length len. It can change skb pointers.
*/