William,
> The theshold for using PAE is actually far lower than 4GB. 4GB is the
> total memory address space -- split that in half for 2GB for userspace,
> 2GB for kernel. The OS cache resides in kernel space -- after you take
> alway the memory allocation for devices, you're left with a window o
> The theshold for using PAE is actually far lower than 4GB. 4GB is the
> total memory address space -- split that in half for 2GB for userspace,
> 2GB for kernel. The OS cache resides in kernel space -- after you take
> alway the memory allocation for devices, you're left with a window of
> rough
