Index: sys/kern/subr_rman.c
===================================================================
--- sys/kern/subr_rman.c
+++ sys/kern/subr_rman.c
@@ -1010,7 +1010,7 @@
 	 */
 	if (res_idx == -1) {
 		bzero(&urm, sizeof(urm));
-		urm.rm_handle = (uintptr_t)rm;
+		urm.rm_handle = (kvaddr_t)rm;
 		if (rm->rm_descr != NULL)
 			strlcpy(urm.rm_descr, rm->rm_descr, RM_TEXTLEN);
 		urm.rm_start = rm->rm_start;
@@ -1041,9 +1041,9 @@
 
 found:
 	bzero(&ures, sizeof(ures));
-	ures.r_handle = (uintptr_t)res;
-	ures.r_parent = (uintptr_t)res->r_rm;
-	ures.r_device = (uintptr_t)res->r_dev;
+	ures.r_handle = (kvaddr_t)res;
+	ures.r_parent = (kvaddr_t)res->r_rm;
+	ures.r_device = (kvaddr_t)res->r_dev;
 	if (res->r_dev != NULL) {
 		if (device_get_name(res->r_dev) != NULL) {
 			snprintf(ures.r_devname, RM_TEXTLEN,
Index: sys/sys/rman.h
===================================================================
--- sys/sys/rman.h
+++ sys/sys/rman.h
@@ -72,9 +72,9 @@
  * Userspace-exported structures.
  */
 struct u_resource {
-	uintptr_t	r_handle;		/* resource uniquifier */
-	uintptr_t	r_parent;		/* parent rman */
-	uintptr_t	r_device;		/* device owning this resource */
+	kvaddr_t	r_handle;		/* resource uniquifier */
+	kvaddr_t	r_parent;		/* parent rman */
+	kvaddr_t	r_device;		/* device owning this resource */
 	char		r_devname[RM_TEXTLEN];	/* device name XXX obsolete */
 
 	rman_res_t	r_start;		/* offset in resource space */
@@ -83,7 +83,7 @@
 };
 
 struct u_rman {
-	uintptr_t	rm_handle;		/* rman uniquifier */
+	kvaddr_t	rm_handle;		/* rman uniquifier */
 	char		rm_descr[RM_TEXTLEN];	/* rman description */
 
 	rman_res_t	rm_start;		/* base of managed region */