On Mon, 17 Oct 2011, Bluejay Adametz wrote:
>> Yes: The 32-bit kernel will leave 25% of your 4 GB RAM unused, I believe.
>
> I'm running 32-bit SL6.0 on a 5gb-RAM machine and (unless I'm missing
> something) it sees and uses all of it.
Yes, kernel with PAE allows the OS to address more than 4GB of RAM.
However, if the 32-bit application is not coded to address more than
4GB of RAM, the app will not take advantage of the additional memory.
Mike