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October 2005

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Subject:
Re: kernel-hugemem on athlon
From:
Fabien Wernli <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Fri, 7 Oct 2005 14:09:16 +0200
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On Fri, Oct 07, 2005 at 02:02:27PM +0200, Jan Iven wrote:
> 
> IIRC, "hugemem" uses the x86-specific PAE (3-level virtual->phys memory
> redirection) extension to address > 4GB of RAM and implement the 4GB/4GB
> user/kernel address space limits. Which other architecture would you
> think could benefit from this?
> Regards
> Jan
> 

I have Sunfire v40z servers with 8G RAM. Using athlon
kernel I can obvously access only 4G of RAM.

I had to modify manually the
CONFIG_HIGHMEM64G option in the athlon .spec of the kernel to be able to use
all my RAM.

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