Re: 4Gb ram not showing up

Jan Engelhardt
2007-06-07T07:00:28Z

On Jun 7 2007 02:48, Satyam Sharma wrote:
> On 6/6/07, Lennart Sorensen <lsorense@csclub.uwaterloo.ca> wrote:
>> [...]
>> A better description would be:
>>
>> "Select this if you have a 32-bit processor and memory mapped in the 1GB
>> to 4GB address range."
>> [...]
>> That one would be better as:
>>
>> "Select this if you have a 32-bit processor and ram mapped in the address
>> range above 4GB."
>
> Ugh, no! How can we expect the user compiling a kernel to be *so*
> familiar with address space re-mapping / BIOSen (_his_ particular
> BIOS, specifically, and what / how it re-maps memory) / etc to be
> able to answer such questions? "Select ... if you have ... RAM
> installed" is perfectly clear, simple, and all that's needed.

Then explain it.

"Select this if you have a 32 bit cpu and ram mapped above 4 G.
To see where RAM is mapped, interpret the E820 lines from dmesg,
for more information see Documentation/e820.txt"

or something like that.

Jan
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