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| author | Ralf Baechle <ralf@linux-mips.org> | 2007-08-01 15:46:18 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-08-27 02:16:49 +0100 |
| commit | 99e480d81ca98c25918c460fdb5ca876d7df6178 (patch) | |
| tree | 7b2b5cc72bf294202b6779a8c427c145431dcc5c /include/asm-mips/pgtable-32.h | |
| parent | 03b8b8e7c9c36e2d7c4bc9c63eeed872e6f01ad0 (diff) | |
| download | linux-99e480d81ca98c25918c460fdb5ca876d7df6178.tar.bz2 | |
[MIPS] Compute PGD_ORDER from the select page size.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/pgtable-32.h')
| -rw-r--r-- | include/asm-mips/pgtable-32.h | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h index ff2948513f8e..59c865deb0c7 100644 --- a/include/asm-mips/pgtable-32.h +++ b/include/asm-mips/pgtable-32.h @@ -51,17 +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 PUD_ORDER aieeee_attempt_to_allocate_pud -#define PMD_ORDER 1 -#define PTE_ORDER 0 -#else -#define PGD_ORDER 0 +#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 -#endif #define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t)) #define PTRS_PER_PTE ((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t)) |