Helge Preuss wrote:
> Peter T. Breuer wrote:
>
>> Helge Preuss <spam.preuss@fhi-berlin.mpg.de> wrote:
>>
>>> i read that Linux enables a process to use 3 GB of user space memory.
>>> But on my (redhat 8.0, 2.4.18-14bigmem) box it seems impossible to
>>> use more than 2 GB. Have I forgot anything to set up my system to use
>>> the full 3 GB?
>>
>>
>>
>> Yes, you have. Recompile your kernel appropriately. I believe a 1+3
>> split is an option.
>>
>> Peter
>
>
> Can you point me to the configuration option? I did not find it in any
> of the categories which I think are appropriate (Processor type &
> features, General setup - and some more which don't look appropriate)
> TIA
> Helge
>

# Processor type and features
# CONFIG_NOHIGHMEM is not set
CONFIG_HIGHMEM4G=y <--- Upto 4GB memory
# CONFIG_HIGHMEM64G is not set <--- more than 4GB memory
CONFIG_HIGHMEM=y
CONFIG_HIGHIO=y

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