VM_MAPPED_COPY    828 mm/nommu.c     	vma->vm_flags |= VM_MAPPED_COPY;
VM_MAPPED_COPY   1023 mm/nommu.c     	if (vma->vm_flags & VM_MAPPED_COPY) {
VM_MAPPED_COPY   1105 mm/nommu.c     			if (vma->vm_flags & VM_MAPPED_COPY) {