- flags = pgprot_val(vma->vm_page_prot) & _PAGE_CACHE_MASK;
- retval = reserve_memtype(addr, addr + len, flags, &new_flags);
- if (retval)
- return retval;
-
- if (flags != new_flags) {
- if (!is_new_memtype_allowed(flags, new_flags)) {
- free_memtype(addr, addr+len);
- return -EINVAL;
- }
- flags = new_flags;
- }
-
- if (((vma->vm_pgoff < max_low_pfn_mapped) ||
- (vma->vm_pgoff >= (1UL<<(32 - PAGE_SHIFT)) &&
- vma->vm_pgoff < max_pfn_mapped)) &&
- ioremap_change_attr((unsigned long)__va(addr), len, flags)) {
- free_memtype(addr, addr + len);
- return -EINVAL;
- }
-