On Mon, Mar 13, 2017 at 7:33 AM, Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > Here's the first bunch of patches of 5-level patchset. Let's see if I'm on > right track addressing Ingo's feedback. :) Considering the bug we just had with the HAVE_GENERIC_RCU_GUP code, I'm wondering if people would be willing to look at what it would take to make x86 use the generic version? The x86 version of __get_user_pages_fast() seems to be quite similar to the generic one. And it would be lovely if all the main architectures shared the same core gup code. Linus