diff --git a/sys/alpha/alpha/pmap.c b/sys/alpha/alpha/pmap.c
index 93671dada8bf..59135a4ecfb6 100644
--- a/sys/alpha/alpha/pmap.c
+++ b/sys/alpha/alpha/pmap.c
@@ -642,7 +642,7 @@ pmap_init(phys_start, phys_end)
 	if (initial_pvs < MINPV)
 		initial_pvs = MINPV;
 	pvzone = uma_zcreate("PV ENTRY", sizeof (struct pv_entry), NULL, NULL,
-	    NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_prealloc(pvzone, initial_pvs);
 
 	/*
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
index 4502d3d4245c..aa1494647df4 100644
--- a/sys/amd64/amd64/pmap.c
+++ b/sys/amd64/amd64/pmap.c
@@ -610,7 +610,7 @@ pmap_init(phys_start, phys_end)
 	if (initial_pvs < MINPV)
 		initial_pvs = MINPV;
 	pvzone = uma_zcreate("PV ENTRY", sizeof (struct pv_entry), NULL, NULL, 
-	    NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pvzone, pmap_pv_allocf);
 	uma_prealloc(pvzone, initial_pvs);
 
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c
index 124c8a33195d..ecd57559e0ad 100644
--- a/sys/i386/i386/pmap.c
+++ b/sys/i386/i386/pmap.c
@@ -570,13 +570,14 @@ pmap_init(phys_start, phys_end)
 	if (initial_pvs < MINPV)
 		initial_pvs = MINPV;
 	pvzone = uma_zcreate("PV ENTRY", sizeof (struct pv_entry), NULL, NULL, 
-	    NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pvzone, pmap_pv_allocf);
 	uma_prealloc(pvzone, initial_pvs);
 
 #ifdef PAE
 	pdptzone = uma_zcreate("PDPT", NPGPTD * sizeof(pdpt_entry_t), NULL,
-	    NULL, NULL, NULL, (NPGPTD * sizeof(pdpt_entry_t)) - 1, 0);
+	    NULL, NULL, NULL, (NPGPTD * sizeof(pdpt_entry_t)) - 1,
+	    UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pdptzone, pmap_pdpt_allocf);
 #endif
 
diff --git a/sys/ia64/ia64/pmap.c b/sys/ia64/ia64/pmap.c
index 6f2bfc0cec22..f22e4ffafed9 100644
--- a/sys/ia64/ia64/pmap.c
+++ b/sys/ia64/ia64/pmap.c
@@ -585,11 +585,11 @@ pmap_init(vm_offset_t phys_start, vm_offset_t phys_end)
 	if (initial_pvs > MAXPV)
 		initial_pvs = MAXPV;
 	pvzone = uma_zcreate("PV ENTRY", sizeof (struct pv_entry),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM|UMA_ZONE_NOFREE);
 	uma_prealloc(pvzone, initial_pvs);
 
 	ptezone = uma_zcreate("PT ENTRY", sizeof (struct ia64_lpte), 
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM|UMA_ZONE_NOFREE);
 	uma_prealloc(ptezone, initial_pvs);
 
 	/*
diff --git a/sys/powerpc/aim/mmu_oea.c b/sys/powerpc/aim/mmu_oea.c
index 4ca3a98dc2a8..6d607291d3d3 100644
--- a/sys/powerpc/aim/mmu_oea.c
+++ b/sys/powerpc/aim/mmu_oea.c
@@ -1069,10 +1069,10 @@ pmap_init(vm_offset_t phys_start, vm_offset_t phys_end)
 	CTR0(KTR_PMAP, "pmap_init");
 
 	pmap_upvo_zone = uma_zcreate("UPVO entry", sizeof (struct pvo_entry),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pmap_upvo_zone, pmap_pvo_allocf);
 	pmap_mpvo_zone = uma_zcreate("MPVO entry", sizeof(struct pvo_entry),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pmap_mpvo_zone, pmap_pvo_allocf);
 	pmap_initialized = TRUE;
 }
diff --git a/sys/powerpc/powerpc/mmu_oea.c b/sys/powerpc/powerpc/mmu_oea.c
index 4ca3a98dc2a8..6d607291d3d3 100644
--- a/sys/powerpc/powerpc/mmu_oea.c
+++ b/sys/powerpc/powerpc/mmu_oea.c
@@ -1069,10 +1069,10 @@ pmap_init(vm_offset_t phys_start, vm_offset_t phys_end)
 	CTR0(KTR_PMAP, "pmap_init");
 
 	pmap_upvo_zone = uma_zcreate("UPVO entry", sizeof (struct pvo_entry),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pmap_upvo_zone, pmap_pvo_allocf);
 	pmap_mpvo_zone = uma_zcreate("MPVO entry", sizeof(struct pvo_entry),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pmap_mpvo_zone, pmap_pvo_allocf);
 	pmap_initialized = TRUE;
 }
diff --git a/sys/powerpc/powerpc/pmap.c b/sys/powerpc/powerpc/pmap.c
index 4ca3a98dc2a8..6d607291d3d3 100644
--- a/sys/powerpc/powerpc/pmap.c
+++ b/sys/powerpc/powerpc/pmap.c
@@ -1069,10 +1069,10 @@ pmap_init(vm_offset_t phys_start, vm_offset_t phys_end)
 	CTR0(KTR_PMAP, "pmap_init");
 
 	pmap_upvo_zone = uma_zcreate("UPVO entry", sizeof (struct pvo_entry),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pmap_upvo_zone, pmap_pvo_allocf);
 	pmap_mpvo_zone = uma_zcreate("MPVO entry", sizeof(struct pvo_entry),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM);
+	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_VM | UMA_ZONE_NOFREE);
 	uma_zone_set_allocf(pmap_mpvo_zone, pmap_pvo_allocf);
 	pmap_initialized = TRUE;
 }