Index: kern_uuid.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/kern_uuid.c,v
retrieving revision 1.3
diff -u -r1.3 kern_uuid.c
--- kern_uuid.c	2002/08/22 12:47:22	1.3
+++ kern_uuid.c	2002/10/20 04:29:32
@@ -52,6 +52,17 @@
 
 CTASSERT(sizeof(struct uuid) == 16);
 
+/*
+ * Set the default number of UUIDs that can be created at any one
+ * time to 2048 for practicaly reasons, but allow the value to be
+ * tuned by the sysctl kern.uuidgen_max.
+ * 
+ * Note: No need to create a seperate tree for one node.
+ */
+static int uuidgen_max = 2048;
+SYSCTL_INT(_kern, OID_AUTO, uuidgen_max, CTLFLAG_RW, &uuidgen_max, 1,
+		"UUID Maximum Generation Limit");
+
 /* We use an alternative, more convenient representation in the generator. */
 struct uuid_private {
 	union {
@@ -144,13 +155,7 @@
 	uint64_t time;
 	int error;
 
-	/*
-	 * Limit the number of UUIDs that can be created at the same time
-	 * to some arbitrary number. This isn't really necessary, but I
-	 * like to have some sort of upper-bound that's less than 2G :-)
-	 * XXX needs to be tunable.
-	 */
-	if (uap->count < 1 || uap->count > 2048)
+	if (uap->count < 1 || uap->count > uuidgen_max)
 		return (EINVAL);
 
 	/* XXX: pre-validate accessibility to the whole of the UUID store? */