LinuxBIOS and 4G+ memory

[Eric W. Biederman]

Stefan Reinauer <stepan at suse.de> writes:

> Hi,
> 
> does LinuxBIOS on Opteron cleanly handle 4+G of memory? I have a machine
> with 4G here for the first time, but I seem to end up with some of the
> memory missing.
> 
> [..]
> totalram: 3840M
> 
> How would Linux clear ECC memory >4G in this case? using PAE? Long mode
> is not available yet..

Read the code it is handled for the Opteron.  We currently make the memory
hole for pci devices overly large but otherwise everything works well.

Eric