page_copied      2328 mm/memory.c    	int page_copied = 0;
page_copied      2420 mm/memory.c    		page_copied = 1;
page_copied      2439 mm/memory.c    		if (page_copied && (vma->vm_flags & VM_LOCKED)) {
page_copied      2447 mm/memory.c    	return page_copied ? VM_FAULT_WRITE : 0;