diff --git a/sys/kern/subr_lock.c b/sys/kern/subr_lock.c
--- a/sys/kern/subr_lock.c
+++ b/sys/kern/subr_lock.c
@@ -128,10 +128,6 @@
 	struct lock_delay_config *lc = la->config;
 	u_short i;
 
-	la->delay <<= 1;
-	if (__predict_false(la->delay > lc->max))
-		la->delay = lc->max;
-
 	for (i = la->delay; i > 0; i--)
 		cpu_spinwait();
 
@@ -141,6 +137,10 @@
 		if (restrict_starvation)
 			la->delay = lc->base;
 	}
+
+	la->delay <<= 1;
+	if (__predict_false(la->delay > lc->max))
+		la->delay = lc->max;
 }
 
 static u_int