vma_wants_writenotify
if (vma_wants_writenotify(vma, vm_page_prot)) {
bool vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot);
return vma_wants_writenotify(vma, vma->vm_page_prot);
bool vma_wants_writenotify(struct vm_area_struct *vma, pgprot_t vm_page_prot);
if (vma_wants_writenotify(vma, vm_page_prot)) {