34 int get_vaddr_frames(unsigned long start, unsigned int nr_frames,  in get_vaddr_frames()  argument
42 	if (nr_frames == 0)  in get_vaddr_frames()
45 	if (WARN_ON_ONCE(nr_frames > vec->nr_allocated))  in get_vaddr_frames()
46 		nr_frames = vec->nr_allocated;  in get_vaddr_frames()
74 		ret = pin_user_pages_locked(start, nr_frames,  in get_vaddr_frames()
82 	vec->nr_frames = 0;  in get_vaddr_frames()
90 		vec->nr_frames = ret;  in get_vaddr_frames()
119 	unpin_user_pages(pages, vec->nr_frames);  in put_vaddr_frames()
122 	vec->nr_frames = 0;  in put_vaddr_frames()
143 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
147 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
170 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pfns()
183 struct frame_vector *frame_vector_create(unsigned int nr_frames)  in frame_vector_create()  argument
186 	int size = sizeof(struct frame_vector) + sizeof(void *) * nr_frames;  in frame_vector_create()
188 	if (WARN_ON_ONCE(nr_frames == 0))  in frame_vector_create()
194 	if (WARN_ON_ONCE(nr_frames > INT_MAX / sizeof(void *) / 2))  in frame_vector_create()
203 	vec->nr_allocated = nr_frames;  in frame_vector_create()
204 	vec->nr_frames = 0;  in frame_vector_create()
218 	VM_BUG_ON(vec->nr_frames > 0);  in frame_vector_destroy()