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From: "Kristof Provost" <kp@FreeBSD.org>
To: "John-Mark Gurney" <jmg@funkthat.com>
Cc: "Gleb Smirnoff" <glebius@freebsd.org>, src-committers@freebsd.org,
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Subject: Re: svn commit: r336221 - head/sys/net
Date: Sun, 05 Aug 2018 16:06:30 +0200
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On 5 Aug 2018, at 4:02, John-Mark Gurney wrote:
> Also, I don't know the hash used, but another option is to use a
> non-power of 2 hash...
>
I remember seeing patches someone experimented with a new hash 
algorithm, but I can’t seem to find it anywhere right now.
I believe the patch was abandoned, perhaps because of disappointing 
results.

> Increasing the memory required on smaller systems and not making sure
> it's documented how to save that memory is a bad idea...
>
The relevant tuneables are documented in the pf(4) man page.

Regards,
Kristof