Yuhong Bao, le Sun 14 Jun 2009 00:02:44 -0700, a écrit : > In fact, even Windows XP SP2 and later had to enable PAE with physical > address space limited to 4GB in order to enable NX.
Err, of course, the NX bit wouldn't be there, else. > 32-bit GNU Mach is limited to 1 GB of memory, so NX and Xen support are the > only uses for PAE on 32-bit GNU Mach. > To actually address more than 1 GB GNU Mach will need to be ported to 64-bit > (which can sttill run with a 32-bit userspace), or something similar to > Linux's HIGHMEM will need to be added. That's precisely what I said, and I refused to implement HIGHMEM, it's just too clumsy. Samuel
