lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Tue, 22 Jul 2008 16:55:32 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	Rik van Riel <riel@...hat.com>
cc:	linux-kernel@...r.kernel.org, Alan Piszcz <ap@...arrain.com>
Subject: Re: 128 GiB memory question-- kernel only sees 64GiB?



On Tue, 22 Jul 2008, Rik van Riel wrote:

> On Tue, 22 Jul 2008 10:21:44 -0400 (EDT)
> Justin Piszcz <jpiszcz@...idpixels.com> wrote:
>
>> 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.
>
> How much memory does the BIOS say the system has?
Asked them.

>
> Can you get the e820 memory map (from early boot up) of the systems?
Probably can't get this.

>
>> 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.
>
> Hopefully not with 64GB each :))
Nope :P

>
>> Is there something special you need to do to utilize all 128 GiB of
>> memory?
>
> You need to use a 64 bit kernel, for one.
Will verify what they are running, thanks.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists