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
| ||
|
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