> Maybe your question is answered by my reply to Alan's comment. The mapping > is actually done to get a linear view for the display controller which > doesn't support SG transfers. The kernel and user-space already have virtual > linear buffers.
The framebuffer currently needs a physically contiguous map for the console devices. Well you could vmap them but that is pretty hideous on a 32bit platform with 32bit 1080p display plugged into it! Alan
