Le lundi 15 février 2010 à 12:13 -0800, David Daney a écrit :
> If we wait for the once-per-second cleanup to free transmit SKBs,
> sockets with small transmit buffer sizes might spend most of their
> time blocked waiting for the cleanup.
>
> Normally we do a cleanup for each transmitted packet. We add a
> watchdog type timer so that we also schedule a timeout for 150uS after
> a packet is transmitted. The watchdog is reset for each transmitted
> packet, so for high packet rates, it never expires. At these high
> rates, the cleanups are done for each packet so the extra watchdog
> initiated cleanups are not needed.
s/needed/fired/
Hmm, but re-arming a timer for each transmited packet must have a cost ?
>
> Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
Is there any particular reason periodic is spelled preiodic ?
> ---
> }
>
> -static void cvm_oct_tx_clean_worker(struct work_struct *work)
> +static void cvm_oct_preiodic_worker(struct work_struct *work)
> {
> - INIT_DELAYED_WORK(&priv->tx_clean_work,
> - cvm_oct_tx_clean_worker);
> -
> + INIT_DELAYED_WORK(&priv->port_periodic_work,
> + cvm_oct_preiodic_worker);
