diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2005-02-10 12:19:59 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 19:30:31 +0100 |
| commit | c6e8b587718c486b55c2ebecc6de231a30beba35 (patch) | |
| tree | 7c6162d449c69fb6425bd27ba341e2d874fb0a1b /arch/mips/mm/init.c | |
| parent | 57f0060b8a2bb2a70a4cce1a37d5e0158cea92a6 (diff) | |
Update MIPS to use the 4-level pagetable code thereby getting rid of
the compacrapability headers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm/init.c')
| -rw-r--r-- | arch/mips/mm/init.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 77cbccaff95..5e1967f1425 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -83,7 +83,7 @@ pte_t *kmap_pte; pgprot_t kmap_prot; #define kmap_get_fixmap_pte(vaddr) \ - pte_offset_kernel(pmd_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)) + pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr)) static void __init kmap_init(void) { @@ -101,26 +101,32 @@ void __init fixrange_init(unsigned long start, unsigned long end, pgd_t *pgd_base) { pgd_t *pgd; + pud_t *pud; pmd_t *pmd; pte_t *pte; - int i, j; + int i, j, k; unsigned long vaddr; vaddr = start; i = __pgd_offset(vaddr); - j = __pmd_offset(vaddr); + j = __pud_offset(vaddr); + k = __pmd_offset(vaddr); pgd = pgd_base + i; for ( ; (i < PTRS_PER_PGD) && (vaddr != end); pgd++, i++) { - pmd = (pmd_t *)pgd; - for (; (j < PTRS_PER_PMD) && (vaddr != end); pmd++, j++) { - if (pmd_none(*pmd)) { - pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); - set_pmd(pmd, __pmd(pte)); - if (pte != pte_offset_kernel(pmd, 0)) - BUG(); + pud = (pud_t *)pgd; + for ( ; (j < PTRS_PER_PUD) && (vaddr != end); pud++, j++) { + pmd = (pmd_t *)pud; + for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) { + if (pmd_none(*pmd)) { + pte = (pte_t *) alloc_bootmem_low_pages(PAGE_SIZE); + set_pmd(pmd, __pmd(pte)); + if (pte != pte_offset_kernel(pmd, 0)) + BUG(); + } + vaddr += PMD_SIZE; } - vaddr += PMD_SIZE; + k = 0; } j = 0; } |