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

From: Andi Kleen (ak@suse.de)
Date: Sun Jan 07 2001 - 02:15:33 EST


On Sun, Jan 07, 2001 at 01:11:11AM -0700, Ben Greear wrote:
> > Packet socket binding or SO_BINDTODEVICE will search the list, but it is unlikely
> > that these paths are worth optimizing for.
>
> The patch has been written, so even if it helps just a little more than it
> hurts, it might be worth including. Of course, it may actually hurt more
> than help.
>
> I'd be very interested in lucid arguments as to why adding the patch would
> actually be worse than not adding it, not just why I'm lame for considering
> it *grin* :)

It's like David said: it's not a very good idea to tune things that are not
commonly used. If some user really realistically has some workload where the
linear search is a bottleneck it can be considered. Currently it doesn't look
like it.

-Andi
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