GET_HIGH_SLICE_INDEX   12 arch/powerpc/include/asm/book3s/64/slice.h #define GET_HIGH_SLICE_INDEX(addr)	((addr) >> SLICE_HIGH_SHIFT)
GET_HIGH_SLICE_INDEX   14 arch/powerpc/include/asm/nohash/32/slice.h #define GET_HIGH_SLICE_INDEX(addr)	(addr & 0)