On Fri, 2010-12-10 at 08:25 -0800, Shirley Ma wrote:
> On Fri, 2010-12-10 at 11:27 +0100, Eric Dumazet wrote:
> > You could make one atomic_add() outside of the loop, and factorize
> > many
> > things...
> >
> > atomic_add(len, &skb->sk->sk_wmem_alloc);
> > skb->data_len += len;
> > skb->len += len;
> > skb->truesize += len;
> > while (len) {
> > ...
> > }
>
> Yep, thanks, will update it!
Maybe I should use total_len when skb frag mapping is done, something
like:
int total_len = 0;
...
total len += len;
...
skb->data_len += total_len;
skb->len += total_len;
skb->truesize += total_len;
atomic_add(total_len, &skb->sk->sk_wmem_alloc);
Shirley
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