On Sat Jul 24 2010 at 15:23:50 +0000, Quentin Garnier wrote: > > PAE is a "bridge technology", interesting only for few systems. > > Users of low-end i386 systems would be penalized, and most users > > of boxes with >4G memory would gain nothing because they run > > a 64-bit system anyway. > > So, imho, no kernel overhead is acceptable. > > Well, that's one opinion. My own, probably just as humble, is that such > a gaping ABI incompatibility is completely unacceptable, especially > after all the work that has been done to make some kernel subsystems a > little bit more responsible regarding ABI. > > I'm really curious to see some actual measurements about that alleged > overhead. The way I see it right now, we have a known lethal ABI > incompatibility versus an alleged overhead of unknown size.
Didn't anyone else read the mail from a week or so ago containing detailed measurements of the overhead? (I'm not 100% sure if I believe the results without further analysis, but at least there are benchmarks)