SLICE_NUM_LOW       7 arch/powerpc/include/asm/book3s/64/slice.h #define SLICE_NUM_LOW		(SLICE_LOW_TOP >> SLICE_LOW_SHIFT)
SLICE_NUM_LOW       9 arch/powerpc/include/asm/nohash/32/slice.h #define SLICE_NUM_LOW		(SLICE_LOW_TOP >> SLICE_LOW_SHIFT)