On Tue, Apr 12, 2011 at 10:19 AM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
>
> THIS IS A HACKY AND UNTESTED PATCH!

.. and here is a rather less hacky, but still equally untested patch.
It moves the stack guard page handling into __get_user_pages() itself,
and thus avoids the whole problem.

This one I could easily see myself committing. Assuming I get some
ack's and testing..

Comments?

                          Linus