diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 52c40d15567242177b40c5c60943cf63c18e3ee1..a04ffbbbe2536309ee73442db96fd271a46561a4 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -616,7 +616,7 @@ void __init mem_init(void)
 		"%dK data, %dK init, %luK highmem)\n",
 		nr_free_pages() << (PAGE_SHIFT-10), codesize >> 10,
 		datasize >> 10, initsize >> 10,
-		(unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+		totalhigh_pages << (PAGE_SHIFT-10));
 
 	if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
 		extern int sysctl_overcommit_memory;
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 9e8d00389eef18e0c99b4e2343632d1533554a42..1651942f7febe79eeea81927f34264e01c7c4217 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -424,7 +424,7 @@ void __init mem_init(void)
 	       reservedpages << (PAGE_SHIFT-10),
 	       datasize >> 10,
 	       initsize >> 10,
-	       (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+	       totalhigh_pages << (PAGE_SHIFT-10));
 }
 #endif /* !CONFIG_NEED_MULTIPLE_NODES */
 
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index f61c164d1e67f5dbda40d8d84a9101216e4c359a..bc1297109cc54e61487f3645f0237114c126e685 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -505,5 +505,5 @@ void __init mem_init(void)
 	       (num_physpages - tmp) << (PAGE_SHIFT-10),
 	       datasize >> 10,
 	       initsize >> 10,
-	       (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+	       totalhigh_pages << (PAGE_SHIFT-10));
 }
diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c
index ec1420562dc7d5e2789a025fa246abf1a5608e61..dd27a9a35152ff9ab853cd381c035890cb77a176 100644
--- a/arch/mn10300/mm/init.c
+++ b/arch/mn10300/mm/init.c
@@ -118,8 +118,7 @@ void __init mem_init(void)
 	       reservedpages << (PAGE_SHIFT - 10),
 	       datasize >> 10,
 	       initsize >> 10,
-	       (unsigned long) (totalhigh_pages << (PAGE_SHIFT - 10))
-	       );
+	       totalhigh_pages << (PAGE_SHIFT - 10));
 }
 
 /*
diff --git a/arch/score/mm/init.c b/arch/score/mm/init.c
index 8c15b2c85d5a1d6afb6d7996f16b08948a21baee..dfaf458d6702459ba9b5f85d7be5e30b1528a2ba 100644
--- a/arch/score/mm/init.c
+++ b/arch/score/mm/init.c
@@ -106,7 +106,7 @@ void __init mem_init(void)
 			ram << (PAGE_SHIFT-10), codesize >> 10,
 			reservedpages << (PAGE_SHIFT-10), datasize >> 10,
 			initsize >> 10,
-			(unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
+			totalhigh_pages << (PAGE_SHIFT-10));
 }
 #endif /* !CONFIG_NEED_MULTIPLE_NODES */
 
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index c973f8e2a6cf1db740c6f22ec5bc50bfb65bcc67..9a0c258a86be6b023b59d7880e47e7c38290dfac 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -892,8 +892,7 @@ void __init mem_init(void)
 		reservedpages << (PAGE_SHIFT-10),
 		datasize >> 10,
 		initsize >> 10,
-		(unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))
-	       );
+		totalhigh_pages << (PAGE_SHIFT-10));
 
 	printk(KERN_INFO "virtual kernel memory layout:\n"
 		"    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
diff --git a/include/linux/highmem.h b/include/linux/highmem.h
index 211ff4497269e8228951524c8bf2b01a7d1dbeb3..ab2cc20e21a5c381a1912a5bfe54aa7bdb293c50 100644
--- a/include/linux/highmem.h
+++ b/include/linux/highmem.h
@@ -46,7 +46,7 @@ void kmap_flush_unused(void);
 
 static inline unsigned int nr_free_highpages(void) { return 0; }
 
-#define totalhigh_pages 0
+#define totalhigh_pages 0UL
 
 #ifndef ARCH_HAS_KMAP
 static inline void *kmap(struct page *page)