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Date:	Thu, 06 Dec 2007 22:21:39 -0600
From:	"Chris Friesen" <>
To:	David Miller <>
Subject: Re: New Address Family: Inter Process Networking (IPN)

David Miller wrote:
> From: "Chris Friesen" <>
> Date: Thu, 06 Dec 2007 14:36:54 -0600
>>One problem we ran into was that there are only 32 multicast groups per 
>>netlink protocol family.
> I'm pretty sure we've removed this limitation.

As of 2.6.23 nl_groups is a 32-bit bitmask with one bit per group. 
Also, it appears that only root is allowed to use multicast netlink.

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