GET_HIGH_SLICE_INDEX
index = GET_HIGH_SLICE_INDEX(addr);
for (i = 0; i < GET_HIGH_SLICE_INDEX(high_limit); i++)
unsigned long start_index = GET_HIGH_SLICE_INDEX(start);
unsigned long count = GET_HIGH_SLICE_INDEX(align_end) - start_index;
for (i = 0; i < GET_HIGH_SLICE_INDEX(mm_ctx_slb_addr_limit(&mm->context)); i++) {
slice = GET_HIGH_SLICE_INDEX(addr);
index = GET_HIGH_SLICE_INDEX(addr);
unsigned long start_index = GET_HIGH_SLICE_INDEX(start);
unsigned long count = GET_HIGH_SLICE_INDEX(align_end) - start_index;