Merge Linux 2.6.23

1 files changed, 3 insertions, 13 deletions

diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h
index 2fbd47eba32d..59c865deb0c7 100644
--- a/include/asm-mips/pgtable-32.h
+++ b/include/asm-mips/pgtable-32.h
@@ -43,11 +43,7 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
  */
 
 /* PGDIR_SHIFT determines what a third-level page table entry can map */
-#ifdef CONFIG_64BIT_PHYS_ADDR
-#define PGDIR_SHIFT     21
-#else
-#define PGDIR_SHIFT     22
-#endif
+#define PGDIR_SHIFT     (2 * PAGE_SHIFT + PTE_ORDER - PTE_T_LOG2)
 #define PGDIR_SIZE      (1UL << PGDIR_SHIFT)
 #define PGDIR_MASK      (~(PGDIR_SIZE-1))
 
@@ -55,17 +51,11 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
  * 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))