From: Peter Zijlstra <peterz@infradead.org>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-kernel@vger.kernel.org, Alan Piszcz <ap@solarrain.com>
Subject: Re: 128 GiB memory question-- kernel only sees 64GiB?
Date: Tue, 22 Jul 2008 16:28:03 +0200 [thread overview]
Message-ID: <1216736883.7257.102.camel@twins> (raw)
In-Reply-To: <alpine.DEB.1.10.0807221019570.8455@p34.internal.lan>
On Tue, 2008-07-22 at 10:21 -0400, Justin Piszcz wrote:
> Hello,
>
> To be able to utilize 128 GiB of memory on a host, does one need to enable
> NUMA support? Currently only 64 GiB is showing up.
>
> As far as machine name/motherboard type, I do not have this information
> currently but I am told there are one or two of these boxes are running
> CentOS 5.x and/or RHEL5/AS.
Sounds like you need to bug RH with that ;-)
> Is there something special you need to do to utilize all 128 GiB of
> memory?
Does a recent kernel work for you? Also, you could at the very least
have mentioned your machine architecture; is it x86_64, ia64 or ppc64?
next prev parent reply other threads:[~2008-07-22 14:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-22 14:21 128 GiB memory question-- kernel only sees 64GiB? Justin Piszcz
2008-07-22 14:28 ` Peter Zijlstra [this message]
2008-07-22 20:55 ` Justin Piszcz
2008-07-23 8:21 ` Yinghai Lu
2008-07-22 14:43 ` Rik van Riel
2008-07-22 20:55 ` Justin Piszcz
2008-07-22 21:14 ` Rik van Riel
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