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    SubjectRe: [PATCH 10 of 20] ipath - support for userspace apps using core driver

    On Wed, 15 Mar 2006, Bryan O'Sullivan wrote:
    > This is what it looks like when I always call get_page in my nopage
    > handler (after checking that the pfn is valid and pfn_to_page hasn't
    > given me junk).
    > Bad page state at free_hot_cold_page (in process 'mpi_hello', page ffff810002098af8)
    > flags:0x0100000000000404 mapping:0000000000000000 mapcount:0 count:0 (Not tainted)
    > Backtrace:

    You shouldn't use PG_reserved on regular pages that you do page counting

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