VM_DONTCOPY       286 kernel/fork.c  		if (mpnt->vm_flags & VM_DONTCOPY) {
VM_DONTCOPY        57 mm/madvise.c   		new_flags |= VM_DONTCOPY;
VM_DONTCOPY        60 mm/madvise.c   		new_flags &= ~VM_DONTCOPY;