34 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()
75 		ret = pin_user_pages_locked(start, nr_frames,  in get_vaddr_frames()
85 		while (ret < nr_frames && start + PAGE_SIZE <= vma->vm_end) {  in get_vaddr_frames()
99 		if (ret >= nr_frames || start < vma->vm_end)  in get_vaddr_frames()
109 		vec->nr_frames = ret;  in get_vaddr_frames()
138 	unpin_user_pages(pages, vec->nr_frames);  in put_vaddr_frames()
141 	vec->nr_frames = 0;  in put_vaddr_frames()
162 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
166 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
189 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pfns()
202 struct frame_vector *frame_vector_create(unsigned int nr_frames)  in frame_vector_create()  argument
205 	int size = sizeof(struct frame_vector) + sizeof(void *) * nr_frames;  in frame_vector_create()
207 	if (WARN_ON_ONCE(nr_frames == 0))  in frame_vector_create()
213 	if (WARN_ON_ONCE(nr_frames > INT_MAX / sizeof(void *) / 2))  in frame_vector_create()
222 	vec->nr_allocated = nr_frames;  in frame_vector_create()
223 	vec->nr_frames = 0;  in frame_vector_create()
237 	VM_BUG_ON(vec->nr_frames > 0);  in frame_vector_destroy()