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Diffstat (limited to 'arch/mips/mm/init.c')
-rw-r--r--arch/mips/mm/init.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index dc6830b10fa..3a49036e0ae 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -68,7 +68,7 @@ unsigned long setup_zero_pages(void)
page = virt_to_page(empty_zero_page);
while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
set_bit(PG_reserved, &page->flags);
- set_page_count(page, 0);
+ reset_page_mapcount(page);
page++;
}
@@ -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)
{
@@ -96,36 +96,42 @@ static void __init kmap_init(void)
kmap_prot = PAGE_KERNEL;
}
-#ifdef CONFIG_64BIT
-static void __init fixrange_init(unsigned long start, unsigned long end,
+#ifdef CONFIG_32BIT
+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;
}
}
-#endif /* CONFIG_64BIT */
+#endif /* CONFIG_32BIT */
#endif /* CONFIG_HIGHMEM */
#ifndef CONFIG_NEED_MULTIPLE_NODES