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()
73 		ret = get_user_pages_locked(start, nr_frames,  in get_vaddr_frames()
83 		while (ret < nr_frames && start + PAGE_SIZE <= vma->vm_end) {  in get_vaddr_frames()
97 		if (ret >= nr_frames || start < vma->vm_end)  in get_vaddr_frames()
107 		vec->nr_frames = ret;  in get_vaddr_frames()
136 	for (i = 0; i < vec->nr_frames; i++)  in put_vaddr_frames()
140 	vec->nr_frames = 0;  in put_vaddr_frames()
161 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
165 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pages()
188 	for (i = 0; i < vec->nr_frames; i++)  in frame_vector_to_pfns()
201 struct frame_vector *frame_vector_create(unsigned int nr_frames)  in frame_vector_create()  argument
204 	int size = sizeof(struct frame_vector) + sizeof(void *) * nr_frames;  in frame_vector_create()
206 	if (WARN_ON_ONCE(nr_frames == 0))  in frame_vector_create()
212 	if (WARN_ON_ONCE(nr_frames > INT_MAX / sizeof(void *) / 2))  in frame_vector_create()
221 	vec->nr_allocated = nr_frames;  in frame_vector_create()
222 	vec->nr_frames = 0;  in frame_vector_create()
236 	VM_BUG_ON(vec->nr_frames > 0);  in frame_vector_destroy()