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

Signed-off-by: N Ralf Baechle <ralf@linux-mips.org>

[MIPS] Fix computation of PGDIR_SHIFT for 16K pagesize on 32-bit kernels.
Signed-off-by: N Ralf Baechle <ralf@linux-mips.org>
4c8081e4 · Ralf Baechle · 50c46637 · 4c8081e4
隐藏空白更改
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Showing with 1 addition and 5 deletion

include/asm-mips/pgtable-32.h include/asm-mips/pgtable-32.h +1 -5

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--- 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))