- /*
- * If lowmem is not on a pin tlb entry size boundary,
- * then reserve the last page of system memory. This
- * eliminates the possibility of a speculative dcache
- * fetch past the end of system memory that would
- * result in a machine check exception.
- */
- if (total_lowmem | (PPC44x_PIN_SIZE - 1))
- mem_pieces_remove(&phys_avail, total_lowmem - PAGE_SIZE, PAGE_SIZE, 1);
-