diff --git a/sys/dev/bhnd/bhnd.h b/sys/dev/bhnd/bhnd.h
index 15e56f6cd2e9..4d9fce80fa2f 100644
--- a/sys/dev/bhnd/bhnd.h
+++ b/sys/dev/bhnd/bhnd.h
@@ -334,7 +334,7 @@ bhnd_is_hw_disabled(device_t dev) {
  * values supported by the standard bus APIs.
  * 
  * To request the resource's default addresses, pass @p start and
- * @p end values of @c 0UL and @c ~0UL, respectively, and
+ * @p end values of @c 0 and @c ~0, respectively, and
  * a @p count of @c 1.
  * 
  * @retval NULL The resource could not be allocated.
@@ -366,7 +366,7 @@ bhnd_alloc_resource(device_t dev, int type, int *rid, rman_res_t start,
 static inline struct bhnd_resource *
 bhnd_alloc_resource_any(device_t dev, int type, int *rid, u_int flags)
 {
-	return bhnd_alloc_resource(dev, type, rid, 0UL, ~0UL, 1, flags);
+	return bhnd_alloc_resource(dev, type, rid, 0, ~0, 1, flags);
 }
 
 /**
diff --git a/sys/dev/pccard/pccard.c b/sys/dev/pccard/pccard.c
index 1b91d64cb7c4..06812427a2b0 100644
--- a/sys/dev/pccard/pccard.c
+++ b/sys/dev/pccard/pccard.c
@@ -506,7 +506,7 @@ pccard_function_init(struct pccard_function *pf, int entry)
 			if (start)
 				end = start + ios->length - 1;
 			else
-				end = ~0UL;
+				end = ~0;
 			DEVPRINTF((bus, "I/O rid %d start %#lx end %#lx\n",
 			    i, start, end));
 			rid = i;
@@ -530,7 +530,7 @@ pccard_function_init(struct pccard_function *pf, int entry)
 			if (start)
 				end = start + mems->length - 1;
 			else
-				end = ~0UL;
+				end = ~0;
 			DEVPRINTF((bus, "Memory rid %d start %#lx end %#lx\ncardaddr %#lx hostaddr %#lx length %#lx\n",
 			    i, start, end, mems->cardaddr, mems->hostaddr,
 			    mems->length));
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index 2f4408e60c66..492efe02294b 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -3092,7 +3092,7 @@ pci_add_map(device_t bus, device_t dev, int reg, struct resource_list *rl,
 		flags |= RF_PREFETCHABLE;
 	if (basezero || base == pci_mapbase(testval) || pci_clear_bars) {
 		start = 0;	/* Let the parent decide. */
-		end = ~0ul;
+		end = ~0;
 	} else {
 		start = base;
 		end = base + count - 1;
@@ -3107,7 +3107,7 @@ pci_add_map(device_t bus, device_t dev, int reg, struct resource_list *rl,
 	 */
 	res = resource_list_reserve(rl, bus, dev, type, &reg, start, end, count,
 	    flags);
-	if (pci_do_realloc_bars && res == NULL && (start != 0 || end != ~0ul)) {
+	if (pci_do_realloc_bars && res == NULL && (start != 0 || end != ~0)) {
 		/*
 		 * If the allocation fails, try to allocate a resource for
 		 * this BAR using any available range.  The firmware felt
@@ -3115,8 +3115,8 @@ pci_add_map(device_t bus, device_t dev, int reg, struct resource_list *rl,
 		 * disable decoding if we can help it.
 		 */
 		resource_list_delete(rl, type, reg);
-		resource_list_add(rl, type, reg, 0, ~0ul, count);
-		res = resource_list_reserve(rl, bus, dev, type, &reg, 0, ~0ul,
+		resource_list_add(rl, type, reg, 0, ~0, count);
+		res = resource_list_reserve(rl, bus, dev, type, &reg, 0, ~0,
 		    count, flags);
 	}
 	if (res == NULL) {
@@ -3507,7 +3507,7 @@ pci_reserve_secbus(device_t bus, device_t dev, pcicfgregs *cfg,
 		end = sub_bus;
 		count = end - start + 1;
 
-		resource_list_add(rl, PCI_RES_BUS, 0, 0ul, ~0ul, count);
+		resource_list_add(rl, PCI_RES_BUS, 0, 0, ~0, count);
 
 		/*
 		 * If requested, clear secondary bus registers in
diff --git a/sys/dev/pci/pci_iov.c b/sys/dev/pci/pci_iov.c
index f3172d6b9fa5..6d66498e8a25 100644
--- a/sys/dev/pci/pci_iov.c
+++ b/sys/dev/pci/pci_iov.c
@@ -330,8 +330,8 @@ pci_iov_alloc_bar(struct pci_devinfo *dinfo, int bar, pci_addr_t bar_shift)
 	rid = iov->iov_pos + PCIR_SRIOV_BAR(bar);
 	bar_size = 1 << bar_shift;
 
-	res = pci_alloc_multi_resource(bus, dev, SYS_RES_MEMORY, &rid, 0ul,
-	    ~0ul, 1, iov->iov_num_vfs, RF_ACTIVE);
+	res = pci_alloc_multi_resource(bus, dev, SYS_RES_MEMORY, &rid, 0,
+	    ~0, 1, iov->iov_num_vfs, RF_ACTIVE);
 
 	if (res == NULL)
 		return (ENXIO);
@@ -498,7 +498,7 @@ pci_iov_init_rman(device_t pf, struct pcicfg_iov *iov)
 	int error;
 
 	iov->rman.rm_start = 0;
-	iov->rman.rm_end = ~0ul;
+	iov->rman.rm_end = ~0;
 	iov->rman.rm_type = RMAN_ARRAY;
 	snprintf(iov->rman_name, sizeof(iov->rman_name), "%s VF I/O memory",
 	    device_get_nameunit(pf));
diff --git a/sys/dev/pci/pci_pci.c b/sys/dev/pci/pci_pci.c
index 4c9b0ca937f6..24f9b3aa8d46 100644
--- a/sys/dev/pci/pci_pci.c
+++ b/sys/dev/pci/pci_pci.c
@@ -389,7 +389,7 @@ pcib_alloc_window(struct pcib_softc *sc, struct pcib_window *w, int type,
 	int error, rid;
 
 	if (max_address != (rman_res_t)max_address)
-		max_address = ~0ul;
+		max_address = ~0;
 	w->rman.rm_start = 0;
 	w->rman.rm_end = max_address;
 	w->rman.rm_type = RMAN_ARRAY;
diff --git a/sys/dev/pci/vga_pci.c b/sys/dev/pci/vga_pci.c
index 048bc91cecc4..3cc6ac343e9c 100644
--- a/sys/dev/pci/vga_pci.c
+++ b/sys/dev/pci/vga_pci.c
@@ -164,8 +164,8 @@ vga_pci_map_bios(device_t dev, size_t *size)
 #endif
 
 	rid = PCIR_BIOS;
-	res = vga_pci_alloc_resource(dev, NULL, SYS_RES_MEMORY, &rid, 0ul,
-	    ~0ul, 1, RF_ACTIVE);
+	res = vga_pci_alloc_resource(dev, NULL, SYS_RES_MEMORY, &rid, 0,
+	    ~0, 1, RF_ACTIVE);
 	if (res == NULL) {
 		return (NULL);
 	}
diff --git a/sys/isa/isa_common.c b/sys/isa/isa_common.c
index bb03ea0dd651..d2c811351a1d 100644
--- a/sys/isa/isa_common.c
+++ b/sys/isa/isa_common.c
@@ -483,7 +483,7 @@ isa_claim_resources(device_t dev, device_t child)
 		if (!rle->res) {
 			rid = rle->rid;
 			resource_list_alloc(rl, dev, child, rle->type, &rid,
-			    0ul, ~0ul, 1, 0);
+			    0, ~0, 1, 0);
 		}
 	}
 }
diff --git a/sys/kern/bus_if.m b/sys/kern/bus_if.m
index 8acadd7c10b7..3a6a9d625935 100644
--- a/sys/kern/bus_if.m
+++ b/sys/kern/bus_if.m
@@ -247,9 +247,9 @@ METHOD device_t add_child {
  * @param _type		the type of resource to allocate
  * @param _rid		a pointer to the resource identifier
  * @param _start	hint at the start of the resource range - pass
- *			@c 0UL for any start address
+ *			@c 0 for any start address
  * @param _end		hint at the end of the resource range - pass
- *			@c ~0UL for any end address
+ *			@c ~0 for any end address
  * @param _count	hint at the size of range required - pass @c 1
  *			for any size
  * @param _flags	any extra flags to control the resource
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index a144031867aa..8daa9f2bc6d8 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -3236,9 +3236,9 @@ resource_list_delete(struct resource_list *rl, int type, int rid)
  * @param type		the type of resource to allocate
  * @param rid		a pointer to the resource identifier
  * @param start		hint at the start of the resource range - pass
- *			@c 0UL for any start address
+ *			@c 0 for any start address
  * @param end		hint at the end of the resource range - pass
- *			@c ~0UL for any end address
+ *			@c ~0 for any end address
  * @param count		hint at the size of range required - pass @c 1
  *			for any size
  * @param flags		any extra flags to control the resource
@@ -3293,9 +3293,9 @@ resource_list_reserve(struct resource_list *rl, device_t bus, device_t child,
  * @param type		the type of resource to allocate
  * @param rid		a pointer to the resource identifier
  * @param start		hint at the start of the resource range - pass
- *			@c 0UL for any start address
+ *			@c 0 for any start address
  * @param end		hint at the end of the resource range - pass
- *			@c ~0UL for any end address
+ *			@c ~0 for any end address
  * @param count		hint at the size of range required - pass @c 1
  *			for any size
  * @param flags		any extra flags to control the resource
diff --git a/sys/kern/subr_rman.c b/sys/kern/subr_rman.c
index 3050e443d62a..41f1f3458d65 100644
--- a/sys/kern/subr_rman.c
+++ b/sys/kern/subr_rman.c
@@ -135,7 +135,7 @@ rman_init(struct rman *rm)
 	}
 
 	if (rm->rm_start == 0 && rm->rm_end == 0)
-		rm->rm_end = ~0ul;
+		rm->rm_end = ~0;
 	if (rm->rm_type == RMAN_UNINIT)
 		panic("rman_init");
 	if (rm->rm_type == RMAN_GAUGE)
diff --git a/sys/sys/bus.h b/sys/sys/bus.h
index 0e408446f3c6..5f0df65146b6 100644
--- a/sys/sys/bus.h
+++ b/sys/sys/bus.h
@@ -478,14 +478,14 @@ void	bus_enumerate_hinted_children(device_t bus);
 static __inline struct resource *
 bus_alloc_resource_any(device_t dev, int type, int *rid, u_int flags)
 {
-	return (bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags));
+	return (bus_alloc_resource(dev, type, rid, 0, ~0, 1, flags));
 }
 
 static __inline struct resource *
 bus_alloc_resource_anywhere(device_t dev, int type, int *rid,
     rman_res_t count, u_int flags)
 {
-	return (bus_alloc_resource(dev, type, rid, 0ul, ~0ul, count, flags));
+	return (bus_alloc_resource(dev, type, rid, 0, ~0, count, flags));
 }
 
 /*
diff --git a/sys/x86/xen/xenpv.c b/sys/x86/xen/xenpv.c
index 50fd9df14912..30e8dbce8943 100644
--- a/sys/x86/xen/xenpv.c
+++ b/sys/x86/xen/xenpv.c
@@ -120,7 +120,7 @@ xenpv_alloc_physmem(device_t dev, device_t child, int *res_id, size_t size)
 	int error;
 
 	res = bus_alloc_resource(child, SYS_RES_MEMORY, res_id, LOW_MEM_LIMIT,
-	    ~0ul, size, RF_ACTIVE);
+	    ~0, size, RF_ACTIVE);
 	if (res == NULL)
 		return (NULL);