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From: William Lee Irwin III <wli@holomorphy.com>
To: Minchen Zhao <mzhao@lizotech-inc.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: increase Linux kernel address space 3.5 G memory on Redhat Enterprise version 4
Date: Tue, 8 May 2007 18:21:24 -0700	[thread overview]
Message-ID: <20070509012124.GJ19966@holomorphy.com> (raw)
In-Reply-To: <464113ED.1010104@lizotech-inc.com>

On Tue, May 08, 2007 at 05:21:01PM -0700, Minchen Zhao wrote:
> I am running Redhat Linux Enterprise version 4 update 4 on a dual-core 
> 4G memory machine.
> There are many references on the web talking about increasing default 
> user address space
> to 3.5 G however lacking specific instrcutions. My questions:
> 1. What is the specific steps to be done for the kernel to support 3.5 G 
> address space?
> 2. Do I need to re-compile kernel to make this happen? If so, any 
> specific instruction?
> thanks in advance.
> P.S. Please cc to me (mzhao@lizotech-inc.com) to reply.

Use the hugemem kernel instead of the smp kernel. You will get > 3.5GB
user address space.


-- wli

      reply	other threads:[~2007-05-09  1:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-09  0:21 increase Linux kernel address space 3.5 G memory on Redhat Enterprise version 4 Minchen Zhao
2007-05-09  1:21 ` William Lee Irwin III [this message]

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