From: PJ Waskiewicz <[EMAIL PROTECTED]>
Date: Mon, 18 Jun 2007 11:42:29 -0700
> +
> + /* The TX queue control structures */
> + struct net_device_subqueue *egress_subqueue;
> + int egress_subqueue_count;
Since every net device will have at least one subqueue, I
would suggest that you do this as follows:
1) In net_device change the quoted part of the patch above to:
int egress_subqueue_count;
struct net_device_subqueue egress_subqueue[0];
2) In alloc_netdev():
Factor (sizeof(struct egress_subqueue) * num_subqueues) into
the net_device allocation size, place the "priv" area after
the subqueues.
This will save us pointer dereferences on all of these quite
common accesses.
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