[ARMedslack] qemu memory limitation

[John O'Donnell]

On 12/13/2011 04:56 AM, Ottavio wrote:
>>>>   If I have 8gigs of RAM, why cant I just create a X gig amount of ram
>>>> disk
>>>> and make that swap space (virtual RAM) within the qemu virtual machine...
>>>
>>> Is there any real life ARM device that supports 8G RAM?
>>
>> I dont know.  All I know is I need more than 512M.  I am experimenting with
>> QT. Compiling it on a current Sheeva/Guru plug takes 3 days with about 2gb
>> of swap.  If I can get more memory to toy with then it will make life so
>> much easier. After I get my results, I will spend the 3 days to get a
>> compile on hardware.
>
> I see these two options in the qemu manual:
>
> -mem-path path
>      Allocate guest RAM from a temporarily created file in path.
> -mem-prealloc
>      Preallocate memory when using -mem-path.
>
> I have never tried.

hmmm nice find!  I suspect these only affect main ram usage within the guest as 
such the 256M qemu limitation would still apply, but I'll give it a try!

Thanks again!
John


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|  John O'Donnell                |                                  |
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