On Tue, Feb 05, 2002 at 10:50:20AM -0600, Steven J. Hill wrote: >> I am just trying to fill in some more MIPS knowledge here. With a 32-bit >> MIPS processor, we are forever limited to a userspace of 2GB in size thanks >> to the kuser region. kseg0/1 map the same 512MB of physical memory. kseg2 >> is 1GB in size and hence it could address another 1GB of RAM. So, is the On Wed, Feb 06, 2002 at 03:33:46AM +0100, Ralf Baechle wrote: > 2gb virtual memory per process. In theory physical memory is limited by > the size of the address bus with highmem; the practical limit for highmem > should be in the range of 16-32gb RAM. I'm aware that some of those issues have to do with boot-time allocations proportional to memory size filling the direct-mapped portion of the kernel virtual address space. Do you have in mind others? I'm just generally curious. Thanks, Bill
