Re: [PATCH] hashed device lookup (Does NOT meet Linus' sumission

[Alan Cox]

> Suppose I bind a raw socket to device vlan4001 (ie I have 4k in the list
> before that one!!).  Currently, that means a linear search on all devices,
> right?  In that extreme example, I would expect the hash to be very
> useful.

At this point you have to ask 'why is vlan4001 an interface'. Would it not
be cleaner to add the vlan id to the entries in the list of addresses per
interface ?