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From: Dave Hansen <haveblue@us.ibm.com>
To: Yaoping Ruan <yruan@cs.princeton.edu>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: mem size at bootup
Date: 24 Oct 2003 13:25:06 -0700	[thread overview]
Message-ID: <1067027106.869.11.camel@nighthawk> (raw)
In-Reply-To: <3F99849D.7CA61D63@cs.princeton.edu>

On Fri, 2003-10-24 at 12:59, Yaoping Ruan wrote:
> could anybody tell me if there's any option to specify the size of
> memory I want to use in Linux. We have a box with 4GB memory but we
> would like to run some experiment with only 2GB memory. Is there any
> option like the "hw.physmem" in FreeBSD?

mem= on the kernel command-line.

In lilo, you do something like this:
image=/boot/vmlinuz-2.4.20
	label=2420
	read-only
	optional
	append="mem=2G"

-- 
Dave Hansen
haveblue@us.ibm.com


  reply	other threads:[~2003-10-24 20:25 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-24 19:59 mem size at bootup Yaoping Ruan
2003-10-24 20:25 ` Dave Hansen [this message]
2003-10-24 20:49 ` Richard B. Johnson

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