On Fri, Feb 1, 2013 at 2:10 PM, Johannes Weiner <han...@cmpxchg.org> wrote: > The fact that mlock calls get_user_pages, and get_user_pages might > call mlock when expanding a stack looks like a potential recursion. > > However, mlock makes sure the requested range is already contained > within a vma, so no stack expansion will actually happen from mlock. > > Should this ever change: the stack expansion mlocks only the newly > expanded range and so will not result in recursive expansion. > > Reported-by: Al Viro <v...@zeniv.linux.org.uk> > Signed-off-by: Johannes Weiner <han...@cmpxchg.org>
Acked-by: Michel Lespinasse <wal...@google.com> -- Michel "Walken" Lespinasse A program is never fully debugged until the last user dies. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
