[openib-general] kernel VM monitor for memory registration caching

[Roland Dreier]

    Gleb> Correct. We invalidate nothing in nopage handler, but if
    Gleb> pagefault happens in part of vma that is not registered we
    Gleb> should call original nopage() handler for the nonregistered
    Gleb> page.

Oh, I see.  I thought you were saying something else.  Yes, this seems
correct and necessary.

 - R.