Subject: Re: increasing maximum process memory
To: Steven M. Bellovin <>
From: Manuel Bouyer <>
List: current-users
Date: 09/16/2007 18:21:34
On Sun, Sep 16, 2007 at 10:58:22AM -0400, Steven M. Bellovin wrote:
> I have a moderately urgent need for a temporary increase in the amount
> of memory available to a process.  Right now, even when running as
> root, I can't get anything more than
> 	ulimit -m 2097151
> If it matters, the machine is an i386 running 4.99.30 on the power
> management branch from Sept 4.  It has 1G of real memory; for immediate
> purposes, performance is not a major concern.

-m is for "total physical memory that can be in use by a process";
are you sure you didn't mean -d "data segment size of a process" ?

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference