4 ms·
The _size_ of the mappings are probably the same, but there are very few PCI devices that _require_ to be mapped to a particular address, as opposed to a certai
by tankenmate 15y ago
The _size_ of the mappings are probably the same, but there are very few PCI devices that _require_ to be mapped to a particular address, as opposed to a certain area of memory, i.e. under 4G or 1M.
- 4ad 15y agoNothing is mapped under 1M in protected mode with paging enabled, that's user space. They still have to be mapped under 4G because 4G is all you got on 32 bit.