diff --git a/sys/kern/kern_racct.c b/sys/kern/kern_racct.c
index f6d2add90a51..a25d7fa8da52 100644
--- a/sys/kern/kern_racct.c
+++ b/sys/kern/kern_racct.c
@@ -725,6 +725,18 @@ racct_set_locked(struct proc *p, int resource, uint64_t amount, int force)
  * Note that decreasing the allocation always returns 0,
  * even if it's above the limit.
  */
+int
+racct_set_unlocked(struct proc *p, int resource, uint64_t amount)
+{
+	int error;
+
+	ASSERT_RACCT_ENABLED();
+	PROC_LOCK(p);
+	error = racct_set(p, resource, amount);
+	PROC_UNLOCK(p);
+	return (error);
+}
+
 int
 racct_set(struct proc *p, int resource, uint64_t amount)
 {
diff --git a/sys/sys/racct.h b/sys/sys/racct.h
index 57291e1d45ba..17af3276d691 100644
--- a/sys/sys/racct.h
+++ b/sys/sys/racct.h
@@ -164,12 +164,14 @@ extern struct mtx racct_lock;
 #define RACCT_UNLOCK()		mtx_unlock(&racct_lock)
 #define RACCT_LOCK_ASSERT()	mtx_assert(&racct_lock, MA_OWNED)
 
+#define RACCT_ENABLED()		__predict_false(racct_enable)
+
 #define	RACCT_PROC_LOCK(p)	do {		\
-	if (__predict_false(racct_enable))	\
+	if (RACCT_ENABLED())			\
 		PROC_LOCK(p);			\
 } while (0)
 #define	RACCT_PROC_UNLOCK(p)	do {		\
-	if (__predict_false(racct_enable))	\
+	if (RACCT_ENABLED())			\
 		PROC_UNLOCK(p);			\
 } while (0)
 
@@ -178,6 +180,7 @@ void	racct_add_cred(struct ucred *cred, int resource, uint64_t amount);
 void	racct_add_force(struct proc *p, int resource, uint64_t amount);
 void	racct_add_buf(struct proc *p, const struct buf *bufp, int is_write);
 int	racct_set(struct proc *p, int resource, uint64_t amount);
+int	racct_set_unlocked(struct proc *p, int resource, uint64_t amount);
 void	racct_set_force(struct proc *p, int resource, uint64_t amount);
 void	racct_sub(struct proc *p, int resource, uint64_t amount);
 void	racct_sub_cred(struct ucred *cred, int resource, uint64_t amount);