Messages in this thread | | | Date | Fri, 22 Jul 2005 11:31:38 +0200 | From | Christoph Pleger <> | Subject | Re: 10 GB in Opteron machine |
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Hello,
On Fri, 22 Jul 2005 05:05:40 -0400 Jeff Garzik <jgarzik@pobox.com> wrote:
> Christoph Pleger wrote: > > At last I found out that setting HIGHMEM support to 64 GB is the > > problem. But is it really not possible to use more than 4GB on an > > Opteron machine? > > Build and boot a 64-bit kernel, not a 32-bit kernel. > > There is no highmem option for the 64-bit kernel, because it doesn't > need one.
I have two questions:
1. Is it possible to compile a 64-bit kernel on a 32-bit machine (or at least on a 64-bit machine with 32-bit software) and if yes, how can I do that? 2. All other software on the machine is 32-bit software. Will that software work with a 64-bit kernel?
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