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[MIPS] Fix computation of PGDIR_SHIFT for 16K pagesize on 32-bit kernels.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle 18 years ago
parent
50c46637aa
commit
4c8081e469
1 changed files with 1 additions and 5 deletions
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  1. 1 5
      include/asm-mips/pgtable-32.h

+ 1 - 5
include/asm-mips/pgtable-32.h
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@@ -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 */
 
 /* 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_SIZE	(1UL << PGDIR_SHIFT)
 
 #define PGDIR_MASK	(~(PGDIR_SIZE-1))
 
 #define PGDIR_MASK	(~(PGDIR_SIZE-1))