[MIPS] Compute PGD_ORDER from the select page size.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h
index ff29485..59c865d 100644
--- a/include/asm-mips/pgtable-32.h
+++ b/include/asm-mips/pgtable-32.h
@@ -51,17 +51,11 @@
* Entries per page directory level: we use two-level, so
* we don't really have any PUD/PMD directory physically.
*/
-#ifdef CONFIG_64BIT_PHYS_ADDR
-#define PGD_ORDER 1
+#define __PGD_ORDER (32 - 3 * PAGE_SHIFT + PGD_T_LOG2 + PTE_T_LOG2)
+#define PGD_ORDER (__PGD_ORDER >= 0 ? __PGD_ORDER : 0)
#define PUD_ORDER aieeee_attempt_to_allocate_pud
#define PMD_ORDER 1
#define PTE_ORDER 0
-#else
-#define PGD_ORDER 0
-#define PUD_ORDER aieeee_attempt_to_allocate_pud
-#define PMD_ORDER 1
-#define PTE_ORDER 0
-#endif
#define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t))
#define PTRS_PER_PTE ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))