257 	kfree(vq->log);  in vhost_vq_free_iovecs()
258 	vq->log = NULL;  in vhost_vq_free_iovecs()
273 		vq->log = kmalloc(sizeof *vq->log * UIO_MAXIOV, GFP_KERNEL);  in vhost_dev_alloc_iovecs()
275 		if (!vq->indirect || !vq->log || !vq->heads)  in vhost_dev_alloc_iovecs()
313 		vq->log = NULL;  in vhost_dev_init()
533 		bool log;  in memory_access_ok()  local
536 		log = log_all || vhost_has_feature(d->vqs[i], VHOST_F_LOG_ALL);  in memory_access_ok()
539 			ok = vq_memory_access_ok(d->vqs[i]->log_base, mem, log);  in memory_access_ok()
937 	unsigned long log = (unsigned long)addr;  in set_bit_to_user()  local
940 	int bit = nr + (log % PAGE_SIZE) * 8;  in set_bit_to_user()
943 	r = get_user_pages_fast(log, 1, 1, &page);  in set_bit_to_user()
966 		u64 log = base + write_page / 8;  in log_write()  local
968 		if ((u64)(unsigned long)log != log)  in log_write()
970 		r = set_bit_to_user(bit, (void __user *)(unsigned long)log);  in log_write()
981 int vhost_log_write(struct vhost_virtqueue *vq, struct vhost_log *log,  in vhost_log_write()  argument
989 		u64 l = min(log[i].len, len);  in vhost_log_write()
990 		r = log_write(vq->log_base, log[i].addr, l);  in vhost_log_write()
1123 			struct vhost_log *log, unsigned int *log_num,  in get_indirect()  argument
1193 			if (unlikely(log)) {  in get_indirect()
1194 				log[*log_num].addr = vhost64_to_cpu(vq, desc.addr);  in get_indirect()
1195 				log[*log_num].len = vhost32_to_cpu(vq, desc.len);  in get_indirect()
1223 		      struct vhost_log *log, unsigned int *log_num)  in vhost_get_vq_desc()  argument
1275 	if (unlikely(log))  in vhost_get_vq_desc()
1301 					   log, log_num, &desc);  in vhost_get_vq_desc()
1322 			if (unlikely(log)) {  in vhost_get_vq_desc()
1323 				log[*log_num].addr = vhost64_to_cpu(vq, desc.addr);  in vhost_get_vq_desc()
1324 				log[*log_num].len = vhost32_to_cpu(vq, desc.len);  in vhost_get_vq_desc()