slow last 128MB of RAM in a 2GB system?

[Dave Johnson]

Michael ODonnell writes:
> >  BIOS-e820: 0000000000100000 - 00000000bfe0ac00 (usable)
> >  BIOS-e820: 00000000bfe0ac00 - 00000000bfe0cc00 (ACPI NVS)
> >  BIOS-e820: 00000000bfe0ec00 - 00000000bfe5cc00 (reserved)
> >  BIOS-e820: 00000000bfe5cc00 - 00000000bfe5ec00 (ACPI data)
> >  BIOS-e820: 00000000bfe5ec00 - 00000000c0000000 (reserved)
> >  BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
> >  BIOS-e820: 00000000fe000000 - 00000000ff000000 (reserved)
> >  BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved)
> >  BIOS-e820: 0000000100000000 - 0000000140000000 (usable)

You need CONFIG_HIGHMEM64G since top of low mem is at 3GB, the
remaining 1GB is at PhyAddr 4GB-5GB



-- 
Dave