From owner-freebsd-hackers  Tue Oct  2 14:22:23 2001
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Date: Tue, 02 Oct 2001 17:21:53 -0400
From: Jason Andresen <jandrese@mitre.org>
Organization: The MITRE Corporation
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To: Dwayne.MacKinnon@xwave.com
Cc: freebsd-hackers@freebsd.org
Subject: Re: Memory allocation question
References: <3BBA29C0.5E125DAF@xwave.com>
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Dwayne wrote:
> 
> Hi,
> 
>      I'm creating an app where I want to use memory to store data so I
> can get at it quickly. The problem is, I can't afford the delays that
> would occur if the memory gets swapped out. Is there any way in FreeBSD
> to allocate memory so that the VM system won't swap it out?

It's not a 100% guarentee IIRC, but I think madvise(2) can tell FreeBSD
to try it's best to not swap out parts of memory.

-- 
  \  |_ _|__ __|_ \ __| Jason Andresen        jandrese@mitre.org
 |\/ |  |    |    / _|  Network and Distributed Systems Engineer
_|  _|___|  _| _|_\___| Office: 703-883-7755


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