diff --git a/include/proto/queue.h b/include/proto/queue.h
index 7bf8137..fb73926 100644
--- a/include/proto/queue.h
+++ b/include/proto/queue.h
@@ -65,6 +65,11 @@
 	return LIST_ELEM(px->pendconns.n, struct pendconn *, list);
 }
 
+/* Returns 0 if all slots are full on a server, or 1 if there are slots available. */
+static inline int server_has_room(const struct server *s) {
+	return !s->maxconn || s->cur_sess < srv_dynamic_maxconn(s);
+}
+
 /* returns 0 if nothing has to be done for server <s> regarding queued connections,
  * and non-zero otherwise. If the server is down, we only check its own queue. Suited
  * for and if/else usage.
diff --git a/include/types/proxy.h b/include/types/proxy.h
index 28be984..4c0c660 100644
--- a/include/types/proxy.h
+++ b/include/types/proxy.h
@@ -289,6 +289,7 @@
 	struct list pendconns;			/* pending connections with no server assigned yet */
 	int nbpend;				/* number of pending connections with no server assigned yet */
 	int totpend;				/* total number of pending connections on this instance (for stats) */
+	int max_ka_queue;			/* 1+maximum requests in queue accepted for reusing a K-A conn (0=none) */
 	unsigned int feconn, beconn;		/* # of active frontend and backends sessions */
 	struct freq_ctr fe_req_per_sec;		/* HTTP requests per second on the frontend */
 	struct freq_ctr fe_conn_per_sec;	/* received connections per second on the frontend */