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Subjectexit_mmap() BUG_ON triggering since 3.1
We've had three reports against the Fedora kernel recently where
a process exits, and we're tripping up the

BUG_ON(mm->nr_ptes > (FIRST_USER_ADDRESS+PMD_SIZE-1)>>PMD_SHIFT);
in exit_mmap()

It started happening with 3.1, but still occurs on 3.2
(no 3.3rc reports yet, but it's not getting much testing).

https://bugzilla.redhat.com/show_bug.cgi?id=786632
https://bugzilla.redhat.com/show_bug.cgi?id=787527
https://bugzilla.redhat.com/show_bug.cgi?id=790546

I don't see anything special in common between the loaded modules.

anyone?

Dave


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