On Thu, 28 Jul 2016, Maxime Villard wrote: > Currently, there is no real way to make sure a userland process won't be > able to allocate the NULL page. There is this attempt [1], but it has two > major issues.
I don't think this is a good idea. You should leave this to the pmap layer rather than polluting UVM. There are some architectures that need to have page zero mapped in for various reasons. Eduardo
