IO_PAGENO_BITS    327 arch/powerpc/platforms/cell/iommu.c 	pages_per_segment = 1ull << IO_PAGENO_BITS(page_shift);
IO_PAGENO_BITS    866 arch/powerpc/platforms/cell/iommu.c 	offset = (addr >> 24) - (segment << IO_PAGENO_BITS(24));