diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index c928294cf6cb..44b71f387231 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -183,7 +183,7 @@ static int pat_works = 0;		/* Is page attribute table sane? */
 SYSCTL_NODE(_vm, OID_AUTO, pmap, CTLFLAG_RD, 0, "VM/pmap parameters");
 
 static int pg_ps_enabled = 1;
-SYSCTL_INT(_vm_pmap, OID_AUTO, pg_ps_enabled, CTLFLAG_RD, &pg_ps_enabled, 0,
+SYSCTL_INT(_vm_pmap, OID_AUTO, pg_ps_enabled, CTLFLAG_RDTUN, &pg_ps_enabled, 0,
     "Are large page mappings enabled?");
 
 static u_int64_t	KPTphys;	/* phys addr of kernel level 1 */
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index 74edbbc49949..c32c8f5af3d5 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -217,7 +217,7 @@ static int pat_works = 0;		/* Is page attribute table sane? */
 SYSCTL_NODE(_vm, OID_AUTO, pmap, CTLFLAG_RD, 0, "VM/pmap parameters");
 
 static int pg_ps_enabled;
-SYSCTL_INT(_vm_pmap, OID_AUTO, pg_ps_enabled, CTLFLAG_RD, &pg_ps_enabled, 0,
+SYSCTL_INT(_vm_pmap, OID_AUTO, pg_ps_enabled, CTLFLAG_RDTUN, &pg_ps_enabled, 0,
     "Are large page mappings enabled?");
 
 /*
diff --git a/sys/i386/xen/pmap.c b/sys/i386/xen/pmap.c
index 5bf1331c1452..b25d0ba32ca3 100644
--- a/sys/i386/xen/pmap.c
+++ b/sys/i386/xen/pmap.c
@@ -279,7 +279,7 @@ static struct mtx PMAP2mutex;
 
 SYSCTL_NODE(_vm, OID_AUTO, pmap, CTLFLAG_RD, 0, "VM/pmap parameters");
 static int pg_ps_enabled;
-SYSCTL_INT(_vm_pmap, OID_AUTO, pg_ps_enabled, CTLFLAG_RD, &pg_ps_enabled, 0,
+SYSCTL_INT(_vm_pmap, OID_AUTO, pg_ps_enabled, CTLFLAG_RDTUN, &pg_ps_enabled, 0,
     "Are large page mappings enabled?");
 
 SYSCTL_INT(_vm_pmap, OID_AUTO, pv_entry_max, CTLFLAG_RD, &pv_entry_max, 0,