pte_t entry;
unsigned long curend = address + PAGE_SIZE;
- entry = mk_pte_io(offset, prot, space);
+ entry = mk_pte_io(offset, prot, space, PAGE_SIZE);
if (!(address & 0xffff)) {
- if (!(address & 0x3fffff) && !(offset & 0x3ffffe) && end >= address + 0x400000) {
- entry = mk_pte_io(offset,
- __pgprot(pgprot_val (prot) | _PAGE_SZ4MB),
- space);
+ if (PAGE_SIZE < (4 * 1024 * 1024) &&
+ !(address & 0x3fffff) &&
+ !(offset & 0x3ffffe) &&
+ end >= address + 0x400000) {
+ entry = mk_pte_io(offset, prot, space,
+ 4 * 1024 * 1024);
curend = address + 0x400000;
offset += 0x400000;
- } else if (!(address & 0x7ffff) && !(offset & 0x7fffe) && end >= address + 0x80000) {
- entry = mk_pte_io(offset,
- __pgprot(pgprot_val (prot) | _PAGE_SZ512K),
- space);
+ } else if (PAGE_SIZE < (512 * 1024) &&
+ !(address & 0x7ffff) &&
+ !(offset & 0x7fffe) &&
+ end >= address + 0x80000) {
+ entry = mk_pte_io(offset, prot, space,
+ 512 * 1024 * 1024);
curend = address + 0x80000;
offset += 0x80000;
- } else if (!(offset & 0xfffe) && end >= address + 0x10000) {
- entry = mk_pte_io(offset,
- __pgprot(pgprot_val (prot) | _PAGE_SZ64K),
- space);
+ } else if (PAGE_SIZE < (64 * 1024) &&
+ !(offset & 0xfffe) &&
+ end >= address + 0x10000) {
+ entry = mk_pte_io(offset, prot, space,
+ 64 * 1024);
curend = address + 0x10000;
offset += 0x10000;
} else
} else
offset += PAGE_SIZE;
+ if (pte_write(entry))
+ entry = pte_mkdirty(entry);
do {
BUG_ON(!pte_none(*pte));
set_pte_at(mm, address, pte, entry);
address += PAGE_SIZE;
+ pte_val(entry) += PAGE_SIZE;
pte++;
} while (address < curend);
} while (address < end);
struct mm_struct *mm = vma->vm_mm;
int space = GET_IOSPACE(pfn);
unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
+ unsigned long phys_base;
+
+ phys_base = offset | (((unsigned long) space) << 32UL);
/* See comment in mm/memory.c remap_pfn_range */
- vma->vm_flags |= VM_IO | VM_RESERVED;
+ vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
+ vma->vm_pgoff = phys_base >> PAGE_SHIFT;
- prot = __pgprot(pg_iobits);
offset -= from;
dir = pgd_offset(mm, from);
flush_cache_range(vma, beg, end);