319 	if (!of->vm_ops)  in kernfs_vma_open()
325 	if (of->vm_ops->open)  in kernfs_vma_open()
326 		of->vm_ops->open(vma);  in kernfs_vma_open()
337 	if (!of->vm_ops)  in kernfs_vma_fault()
344 	if (of->vm_ops->fault)  in kernfs_vma_fault()
345 		ret = of->vm_ops->fault(vmf);  in kernfs_vma_fault()
357 	if (!of->vm_ops)  in kernfs_vma_page_mkwrite()
364 	if (of->vm_ops->page_mkwrite)  in kernfs_vma_page_mkwrite()
365 		ret = of->vm_ops->page_mkwrite(vmf);  in kernfs_vma_page_mkwrite()
380 	if (!of->vm_ops)  in kernfs_vma_access()
387 	if (of->vm_ops->access)  in kernfs_vma_access()
388 		ret = of->vm_ops->access(vma, addr, buf, len, write);  in kernfs_vma_access()
402 	if (!of->vm_ops)  in kernfs_vma_set_policy()
409 	if (of->vm_ops->set_policy)  in kernfs_vma_set_policy()
410 		ret = of->vm_ops->set_policy(vma, new);  in kernfs_vma_set_policy()
423 	if (!of->vm_ops)  in kernfs_vma_get_policy()
430 	if (of->vm_ops->get_policy)  in kernfs_vma_get_policy()
431 		pol = of->vm_ops->get_policy(vma, addr);  in kernfs_vma_get_policy()
486 	if (of->mmapped && of->vm_ops != vma->vm_ops)  in kernfs_fop_mmap()
494 	if (vma->vm_ops && vma->vm_ops->close)  in kernfs_fop_mmap()
499 	of->vm_ops = vma->vm_ops;  in kernfs_fop_mmap()
500 	vma->vm_ops = &kernfs_vm_ops;  in kernfs_fop_mmap()