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    SubjectRe: [PATCH] mm: fix possible cause of a page_mapped BUG
    From
    On Tue, Apr 12, 2011 at 8:59 PM, Linus Torvalds
    <torvalds@linux-foundation.org> wrote:
    > 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..

    I'm testing currently with the old one, w/o any symptoms of problems
    by now, but it's not a meaningful period of time. I can try with the
    new one, leave it over(European)night, and let you know tomorrow.

    --
    Robert Święcki
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