Re: hardware time stamping with optional structs in data area

[Herbert Xu]

On Wed, Jan 28, 2009 at 10:52:13AM +0100, Patrick Ohly wrote:
>
> Putting that into shinfo should work fine. I thought extending that
> structure with information that isn't needed for all packets was as bad
> as extending sk_buff itself. If that isn't the case, then extending
> shinfo definitely is the simplest solution.

Not at all, the sk_buff has its own slab while skb->head uses
kmalloc.  The latter has loads of free space due to padding for
common MTUs such as 1500 or header-only.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/