35 int get_vaddr_frames(unsigned long start, unsigned int nr_frames,  in get_vaddr_frames()  argument
43 	if (nr_frames == 0)  in get_vaddr_frames()
46 	if (WARN_ON_ONCE(nr_frames > vec->nr_allocated))  in get_vaddr_frames()
47 		nr_frames = vec->nr_allocated;  in get_vaddr_frames()
51 	ret = pin_user_pages_fast(start, nr_frames,  in get_vaddr_frames()
71 		while (ret < nr_frames && start + PAGE_SIZE <= vma->vm_end) {  in get_vaddr_frames()
84 	} while (ret < nr_frames);  in get_vaddr_frames()
91 		vec->nr_frames = ret;  in get_vaddr_frames()
120 	unpin_user_pages(pages, vec->nr_frames);  in put_vaddr_frames()
123 	vec->nr_frames = 0;  in put_vaddr_frames()
144 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
148 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
171 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pfns()
184 struct frame_vector *frame_vector_create(unsigned int nr_frames)  in frame_vector_create()  argument
187 	int size = sizeof(struct frame_vector) + sizeof(void *) * nr_frames;  in frame_vector_create()
189 	if (WARN_ON_ONCE(nr_frames == 0))  in frame_vector_create()
195 	if (WARN_ON_ONCE(nr_frames > INT_MAX / sizeof(void *) / 2))  in frame_vector_create()
204 	vec->nr_allocated = nr_frames;  in frame_vector_create()
205 	vec->nr_frames = 0;  in frame_vector_create()
219 	VM_BUG_ON(vec->nr_frames > 0);  in frame_vector_destroy()