36 int get_vaddr_frames(unsigned long start, unsigned int nr_frames,  in get_vaddr_frames()  argument
45 	if (nr_frames == 0)  in get_vaddr_frames()
48 	if (WARN_ON_ONCE(nr_frames > vec->nr_allocated))  in get_vaddr_frames()
49 		nr_frames = vec->nr_allocated;  in get_vaddr_frames()
61 		ret = get_user_pages_locked(current, mm, start, nr_frames,  in get_vaddr_frames()
71 		while (ret < nr_frames && start + PAGE_SIZE <= vma->vm_end) {  in get_vaddr_frames()
85 		if (ret >= nr_frames || start < vma->vm_end)  in get_vaddr_frames()
95 		vec->nr_frames = ret;  in get_vaddr_frames()
124 	for (i = 0; i < vec->nr_frames; i++)  in put_vaddr_frames()
128 	vec->nr_frames = 0;  in put_vaddr_frames()
149 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
153 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
176 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pfns()
189 struct frame_vector *frame_vector_create(unsigned int nr_frames)  in frame_vector_create()  argument
192 	int size = sizeof(struct frame_vector) + sizeof(void *) * nr_frames;  in frame_vector_create()
194 	if (WARN_ON_ONCE(nr_frames == 0))  in frame_vector_create()
200 	if (WARN_ON_ONCE(nr_frames > INT_MAX / sizeof(void *) / 2))  in frame_vector_create()
212 	vec->nr_allocated = nr_frames;  in frame_vector_create()
213 	vec->nr_frames = 0;  in frame_vector_create()
227 	VM_BUG_ON(vec->nr_frames > 0);  in frame_vector_destroy()