diff options
Diffstat (limited to 'include/asm-mips/pgtable-32.h')
| -rw-r--r-- | include/asm-mips/pgtable-32.h | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/include/asm-mips/pgtable-32.h b/include/asm-mips/pgtable-32.h index 2fbd47eba32..a0947092d0e 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)) @@ -150,7 +140,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot) #define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) /* to find an entry in a page-table-directory */ -#define pgd_offset(mm,addr) ((mm)->pgd + pgd_index(addr)) +#define pgd_offset(mm, addr) ((mm)->pgd + pgd_index(addr)) /* Find an entry in the third-level page table.. */ #define __pte_offset(address) \ |