diff --git a/sys/sys/proc.h b/sys/sys/proc.h
--- a/sys/sys/proc.h
+++ b/sys/sys/proc.h
@@ -271,7 +271,7 @@
 	const char	*td_wmesg;	/* (t) Reason for sleep. */
 	volatile u_char td_owepreempt;  /* (k*) Preempt on last critical_exit */
 	u_char		td_tsqueue;	/* (t) Turnstile queue blocked on. */
-	short		td_locks;	/* (k) Debug: count of non-spin locks */
+	int		td_locks;	/* (k) Debug: count of non-spin locks */
 	short		td_rw_rlocks;	/* (k) Count of rwlock read locks. */
 	short		td_sx_slocks;	/* (k) Count of sx shared locks. */
 	short		td_lk_slocks;	/* (k) Count of lockmgr shared locks. */