Some mmap observations compared to Linux 2.6/OpenBSD

[Michel TALON]

> Yes, it would appear this is a legacy thing that existed in the original
> 1994 import of the BSD 4.4 Lite source. Both FreeBSD and NetBSD still
> use this technique, but OpenBSD changed to using Red-Black trees back in
> Feb 2002. 

What is more interesting is to look at the actual benchmark results in
http://bulk.fefe.de/scalability/
in particular the section about mmap benchmarks, the only one where
OpenBSD shines. However as soon as touching pages is benchmarked
OpenBSD fails very much.



-- 

Michel TALON