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author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-29 12:19:15 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-29 12:19:15 -0700 |
commit | e9d52234e35b27ea4ea5f2ab64ca47b1a0c740ab (patch) | |
tree | 318d37a7d55c79e6f7d86163fb28e0eccbb0fe83 /arch/mips/mm/pgtable-32.c | |
parent | 955c5038823748e529a49f0e33ab635d92843500 (diff) | |
parent | 09af7b443c257460d45cb6c1896d29f173fef35b (diff) | |
download | blackbird-op-linux-e9d52234e35b27ea4ea5f2ab64ca47b1a0c740ab.tar.gz blackbird-op-linux-e9d52234e35b27ea4ea5f2ab64ca47b1a0c740ab.zip |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
Diffstat (limited to 'arch/mips/mm/pgtable-32.c')
-rw-r--r-- | arch/mips/mm/pgtable-32.c | 36 |
1 files changed, 4 insertions, 32 deletions
diff --git a/arch/mips/mm/pgtable-32.c b/arch/mips/mm/pgtable-32.c index 4f07f81e8500..4a3c4919e314 100644 --- a/arch/mips/mm/pgtable-32.c +++ b/arch/mips/mm/pgtable-32.c @@ -10,6 +10,7 @@ #include <linux/mm.h> #include <linux/bootmem.h> #include <linux/highmem.h> +#include <asm/fixmap.h> #include <asm/pgtable.h> void pgd_init(unsigned long page) @@ -29,42 +30,12 @@ void pgd_init(unsigned long page) } } -#ifdef CONFIG_HIGHMEM -static void __init fixrange_init (unsigned long start, unsigned long end, - pgd_t *pgd_base) -{ - pgd_t *pgd; - pmd_t *pmd; - pte_t *pte; - int i, j; - unsigned long vaddr; - - vaddr = start; - i = __pgd_offset(vaddr); - j = __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((unsigned long)pte)); - if (pte != pte_offset_kernel(pmd, 0)) - BUG(); - } - vaddr += PMD_SIZE; - } - j = 0; - } -} -#endif - void __init pagetable_init(void) { #ifdef CONFIG_HIGHMEM unsigned long vaddr; pgd_t *pgd, *pgd_base; + pud_t *pud; pmd_t *pmd; pte_t *pte; #endif @@ -90,7 +61,8 @@ void __init pagetable_init(void) fixrange_init(vaddr, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base); pgd = swapper_pg_dir + __pgd_offset(vaddr); - pmd = pmd_offset(pgd, vaddr); + pud = pud_offset(pgd, vaddr); + pmd = pmd_offset(pud, vaddr); pte = pte_offset_kernel(pmd, vaddr); pkmap_page_table = pte; #endif |