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

[Andi Kleen <ak@xxxxxxx>]

On Sat, Jan 06, 2001 at 02:33:27PM -0700, Ben Greear wrote:
> I'm hoping that I can get a few comments on this code.  It was added
> to (significantly) speed up things like 'ifconfig -a' when running with
> 4000 or so VLAN devices.  It should also help other instances with lots
> of (virtual) devices, like FrameRelay, ATM, and possibly virtual IP
> interfaces.  It probably won't help 'normal' users much, and in it's final
> form, should probably be a selectable option in the config process.
> 
> Anyway, let me know what you think!

Does it make any significant different with the ifconfig from newest nettools? 
I 
removed a quadratic algorithm from ifconfig's device parsing, and with that I 
was 
able to display a few thousand alias devices on a unpatched kernel in 
reasonable time.



-Andi