vma->vm_start, vma->vm_end - vma->vm_start);
atomic_inc(&dev->vma_count);
vma->vm_start, vma->vm_end - vma->vm_start);
atomic_inc(&dev->vma_count);
list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
if (pt->vma == vma) {
list_del(&pt->head);
list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
if (pt->vma == vma) {
list_del(&pt->head);