__try_to_reclaim_swap
nr_reclaim = __try_to_reclaim_swap(si, offset,
nr_reclaimed = __try_to_reclaim_swap(si, offset,
__try_to_reclaim_swap(si, offset, TTRS_ANYWAY);
if (__try_to_reclaim_swap(si, offset, TTRS_ANYWAY) < 0)