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authorAlexander Duyck <alexander.h.duyck@intel.com>2012-05-04 14:26:56 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-06 13:13:19 -0400
commitec47ea82477404631d49b8e568c71826c9b663ac (patch)
tree8b7890f23ad078d9eccbd4571e0b2da86b04a6a0 /drivers/staging/octeon
parent3e24591a19bbda6fcb2cbe383b41b4ba794501bf (diff)
skb: Add inline helper for getting the skb end offset from head
With the recent changes for how we compute the skb truesize it occurs to me we are probably going to have a lot of calls to skb_end_pointer - skb->head. Instead of running all over the place doing that it would make more sense to just make it a separate inline skb_end_offset(skb) that way we can return the correct value without having gcc having to do all the optimization to cancel out skb->head - skb->head. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/staging/octeon')
-rw-r--r--drivers/staging/octeon/ethernet-tx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c
index 56d74dc2fbd5..418ed03d0887 100644
--- a/drivers/staging/octeon/ethernet-tx.c
+++ b/drivers/staging/octeon/ethernet-tx.c
@@ -344,7 +344,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev)
}
if (unlikely
(skb->truesize !=
- sizeof(*skb) + skb_end_pointer(skb) - skb->head)) {
+ sizeof(*skb) + skb_end_offset(skb))) {
/*
printk("TX buffer truesize has been changed\n");
*/

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