Index: sys/vm/vm_meter.c
===================================================================
--- sys/vm/vm_meter.c
+++ sys/vm/vm_meter.c
@@ -110,8 +110,6 @@
 
 SYSCTL_UINT(_vm, VM_V_FREE_MIN, v_free_min,
 	CTLFLAG_RW, &vm_cnt.v_free_min, 0, "Minimum low-free-pages threshold");
-SYSCTL_UINT(_vm, VM_V_FREE_TARGET, v_free_target,
-	CTLFLAG_RW, &vm_cnt.v_free_target, 0, "Desired free pages");
 SYSCTL_UINT(_vm, VM_V_FREE_RESERVED, v_free_reserved,
 	CTLFLAG_RW, &vm_cnt.v_free_reserved, 0, "Pages reserved for deadlock");
 SYSCTL_UINT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target,
@@ -121,6 +119,24 @@
 SYSCTL_UINT(_vm, OID_AUTO, v_free_severe,
 	CTLFLAG_RW, &vm_cnt.v_free_severe, 0, "Severe page depletion point");
 
+static int
+sysctl_vm_free_target(SYSCTL_HANDLER_ARGS)
+{
+
+	int error;
+	u_int perdomaintarget;
+	error = sysctl_handle_int(oidp, oidp->oid_arg1, oidp->oid_arg2, req);
+	if (!error && req->newptr) {
+		perdomaintarget = vm_cnt.v_free_target / vm_ndomains;
+		for (int i = 0; i < vm_ndomains; i++)
+			vm_dom[i].vmd_pid.pc_setpoint = perdomaintarget;
+	}
+	return (error);
+}
+SYSCTL_PROC(_vm, VM_V_FREE_TARGET, v_free_target, CTLTYPE_U32 | CTLFLAG_RW |
+	CTLFLAG_MPSAFE, &vm_cnt.v_free_target, 0, sysctl_vm_free_target, "IU",
+	"Desired free pages");
+
 static int
 sysctl_vm_loadavg(SYSCTL_HANDLER_ARGS)
 {