int ion_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
{
struct ion_buffer *buffer = vma->vm_private_data;
+ unsigned long pfn;
int ret;
mutex_lock(&buffer->lock);
ion_buffer_page_dirty(buffer->pages + vmf->pgoff);
-
BUG_ON(!buffer->pages || !buffer->pages[vmf->pgoff]);
- ret = vm_insert_page(vma, (unsigned long)vmf->virtual_address,
- ion_buffer_page(buffer->pages[vmf->pgoff]));
+
+ pfn = page_to_pfn(ion_buffer_page(buffer->pages[vmf->pgoff]));
+ ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
mutex_unlock(&buffer->lock);
if (ret)
return VM_FAULT_ERROR;
}
if (ion_buffer_fault_user_mappings(buffer)) {
+ vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND |
+ VM_DONTDUMP;
vma->vm_private_data = buffer;
vma->vm_ops = &ion_vma_ops;
ion_vm_open(vma);