diff --git a/sys/kern/kern_rwlock.c b/sys/kern/kern_rwlock.c
index 3c2cab87b706..acffdb8a22a6 100644
--- a/sys/kern/kern_rwlock.c
+++ b/sys/kern/kern_rwlock.c
@@ -284,9 +284,8 @@ _rw_wlock_cookie(volatile uintptr_t *c, const char *file, int line)
 }
 
 int
-__rw_try_wlock(volatile uintptr_t *c, const char *file, int line)
+__rw_try_wlock_int(struct rwlock *rw LOCK_FILE_LINE_ARG_DEF)
 {
-	struct rwlock *rw;
 	struct thread *td;
 	uintptr_t tid, v;
 	int rval;
@@ -297,8 +296,6 @@ __rw_try_wlock(volatile uintptr_t *c, const char *file, int line)
 	if (SCHEDULER_STOPPED_TD(td))
 		return (1);
 
-	rw = rwlock2rw(c);
-
 	KASSERT(kdb_active != 0 || !TD_IS_IDLETHREAD(td),
 	    ("rw_try_wlock() by idle thread %p on rwlock %s @ %s:%d",
 	    curthread, rw->lock_object.lo_name, file, line));
@@ -334,6 +331,15 @@ __rw_try_wlock(volatile uintptr_t *c, const char *file, int line)
 	return (rval);
 }
 
+int
+__rw_try_wlock(volatile uintptr_t *c, const char *file, int line)
+{
+	struct rwlock *rw;
+
+	rw = rwlock2rw(c);
+	return (__rw_try_wlock_int(rw, LOCK_FILE_LINE_ARG));
+}
+
 void
 _rw_wunlock_cookie(volatile uintptr_t *c, const char *file, int line)
 {
@@ -656,16 +662,13 @@ __rw_rlock(volatile uintptr_t *c, const char *file, int line)
 }
 
 int
-__rw_try_rlock(volatile uintptr_t *c, const char *file, int line)
+__rw_try_rlock_int(struct rwlock *rw LOCK_FILE_LINE_ARG_DEF)
 {
-	struct rwlock *rw;
 	uintptr_t x;
 
 	if (SCHEDULER_STOPPED())
 		return (1);
 
-	rw = rwlock2rw(c);
-
 	KASSERT(kdb_active != 0 || !TD_IS_IDLETHREAD(curthread),
 	    ("rw_try_rlock() by idle thread %p on rwlock %s @ %s:%d",
 	    curthread, rw->lock_object.lo_name, file, line));
@@ -692,6 +695,15 @@ __rw_try_rlock(volatile uintptr_t *c, const char *file, int line)
 	return (0);
 }
 
+int
+__rw_try_rlock(volatile uintptr_t *c, const char *file, int line)
+{
+	struct rwlock *rw;
+
+	rw = rwlock2rw(c);
+	return (__rw_try_rlock_int(rw, LOCK_FILE_LINE_ARG));
+}
+
 static bool __always_inline
 __rw_runlock_try(struct rwlock *rw, struct thread *td, uintptr_t *vp)
 {