Index: head/sys/kern/kern_malloc.c
===================================================================
--- head/sys/kern/kern_malloc.c
+++ head/sys/kern/kern_malloc.c
@@ -153,7 +153,7 @@
  */
 struct {
 	int kz_size;
-	char *kz_name;
+	const char *kz_name;
 	uma_zone_t kz_zone[MALLOC_DEBUG_MAXZONES];
 } kmemzones[] = {
 	{16, "16", },
@@ -1091,7 +1091,7 @@
 	    UMA_ALIGN_PTR, UMA_ZONE_MALLOC);
 	for (i = 0, indx = 0; kmemzones[indx].kz_size != 0; indx++) {
 		int size = kmemzones[indx].kz_size;
-		char *name = kmemzones[indx].kz_name;
+		const char *name = kmemzones[indx].kz_name;
 		int subzone;
 
 		for (subzone = 0; subzone < numzones; subzone++) {
Index: head/sys/sys/buf.h
===================================================================
--- head/sys/sys/buf.h
+++ head/sys/sys/buf.h
@@ -554,7 +554,7 @@
 void	bd_speedup(void);
 
 extern uma_zone_t pbuf_zone;
-uma_zone_t pbuf_zsecond_create(char *name, int max);
+uma_zone_t pbuf_zsecond_create(const char *name, int max);
 
 int	cluster_read(struct vnode *, u_quad_t, daddr_t, long,
 	    struct ucred *, long, int, int, struct buf **);
Index: head/sys/vm/uma_core.c
===================================================================
--- head/sys/vm/uma_core.c
+++ head/sys/vm/uma_core.c
@@ -223,7 +223,7 @@
 
 struct uma_bucket_zone {
 	uma_zone_t	ubz_zone;
-	char		*ubz_name;
+	const char	*ubz_name;
 	int		ubz_entries;	/* Number of items it can hold. */
 	int		ubz_maxsize;	/* Maximum allocation size per-item. */
 };
Index: head/sys/vm/vm_map.c
===================================================================
--- head/sys/vm/vm_map.c
+++ head/sys/vm/vm_map.c
@@ -5108,7 +5108,7 @@
 		    (void *)entry, (void *)entry->start, (void *)entry->end,
 		    entry->eflags);
 		{
-			static char *inheritance_name[4] =
+			static const char * const inheritance_name[4] =
 			{"share", "copy", "none", "donate_copy"};
 
 			db_iprintf(" prot=%x/%x/%s",
Index: head/sys/vm/vm_object.h
===================================================================
--- head/sys/vm/vm_object.h
+++ head/sys/vm/vm_object.h
@@ -337,8 +337,8 @@
 void vm_object_pip_add(vm_object_t object, short i);
 void vm_object_pip_wakeup(vm_object_t object);
 void vm_object_pip_wakeupn(vm_object_t object, short i);
-void vm_object_pip_wait(vm_object_t object, char *waitid);
-void vm_object_pip_wait_unlocked(vm_object_t object, char *waitid);
+void vm_object_pip_wait(vm_object_t object, const char *waitid);
+void vm_object_pip_wait_unlocked(vm_object_t object, const char *waitid);
 
 void vm_object_busy(vm_object_t object);
 void vm_object_unbusy(vm_object_t object);
Index: head/sys/vm/vm_object.c
===================================================================
--- head/sys/vm/vm_object.c
+++ head/sys/vm/vm_object.c
@@ -386,7 +386,7 @@
  * re-acquired on return.
  */
 static void
-vm_object_pip_sleep(vm_object_t object, char *waitid)
+vm_object_pip_sleep(vm_object_t object, const char *waitid)
 {
 
 	refcount_sleep_interlock(&object->paging_in_progress,
@@ -394,7 +394,7 @@
 }
 
 void
-vm_object_pip_wait(vm_object_t object, char *waitid)
+vm_object_pip_wait(vm_object_t object, const char *waitid)
 {
 
 	VM_OBJECT_ASSERT_WLOCKED(object);
@@ -406,7 +406,7 @@
 }
 
 void
-vm_object_pip_wait_unlocked(vm_object_t object, char *waitid)
+vm_object_pip_wait_unlocked(vm_object_t object, const char *waitid)
 {
 
 	VM_OBJECT_ASSERT_UNLOCKED(object);
Index: head/sys/vm/vm_page.c
===================================================================
--- head/sys/vm/vm_page.c
+++ head/sys/vm/vm_page.c
@@ -451,13 +451,14 @@
 
 	vmd = VM_DOMAIN(domain);
 	bzero(vmd, sizeof(*vmd));
-	*__DECONST(char **, &vmd->vmd_pagequeues[PQ_INACTIVE].pq_name) =
+	*__DECONST(const char **, &vmd->vmd_pagequeues[PQ_INACTIVE].pq_name) =
 	    "vm inactive pagequeue";
-	*__DECONST(char **, &vmd->vmd_pagequeues[PQ_ACTIVE].pq_name) =
+	*__DECONST(const char **, &vmd->vmd_pagequeues[PQ_ACTIVE].pq_name) =
 	    "vm active pagequeue";
-	*__DECONST(char **, &vmd->vmd_pagequeues[PQ_LAUNDRY].pq_name) =
+	*__DECONST(const char **, &vmd->vmd_pagequeues[PQ_LAUNDRY].pq_name) =
 	    "vm laundry pagequeue";
-	*__DECONST(char **, &vmd->vmd_pagequeues[PQ_UNSWAPPABLE].pq_name) =
+	*__DECONST(const char **,
+	    &vmd->vmd_pagequeues[PQ_UNSWAPPABLE].pq_name) =
 	    "vm unswappable pagequeue";
 	vmd->vmd_domain = domain;
 	vmd->vmd_page_count = 0;
Index: head/sys/vm/vm_pager.c
===================================================================
--- head/sys/vm/vm_pager.c
+++ head/sys/vm/vm_pager.c
@@ -191,7 +191,7 @@
 }
 
 uma_zone_t
-pbuf_zsecond_create(char *name, int max)
+pbuf_zsecond_create(const char *name, int max)
 {
 	uma_zone_t zone;