Subject: Re: Networking and memory (Was: Re: mb_map full and NMBCLUSTERS)
To: Michael Graff <>
From: Pete Bentley <>
List: current-users
Date: 09/09/1996 16:54:00
[tech-net added to CC's]

At 07 Sep 1996 13:56:19 EDT, Michael Graff writes:
>> Jukka Marin <> writes:
>> > > I have a large number of connections which drop off the face of the planet
>> > > (www servers suck that way) and I noticed slowly increasing memory usage
>> > > in the networking code until I applied a variant of pr 2335...
>> > 
>> > Please tell us more.
>> The only changes I made was to put it into a -current kernel.  I made
>> no functional changes, really.

As the originator of that PR, I can verify that we've been using it on
production machines since April with no apparent problems, and with
the result that they no longer 'lose' data mbufs to stale connections.

It would be really nice if someone with access could commit this patch
(checking it against the given "TCP/IP Illustrated" reference if need