diff --git a/arch/arm/mach-s3c2410/include/mach/vmalloc.h b/arch/arm/mach-s3c2410/include/mach/vmalloc.h
index 315b0078a34d..54297eb0bf5e 100644
--- a/arch/arm/mach-s3c2410/include/mach/vmalloc.h
+++ b/arch/arm/mach-s3c2410/include/mach/vmalloc.h
@@ -15,6 +15,6 @@
 #ifndef __ASM_ARCH_VMALLOC_H
 #define __ASM_ARCH_VMALLOC_H
 
-#define VMALLOC_END	  (0xE0000000)
+#define VMALLOC_END	0xE0000000UL
 
 #endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s3c64xx/include/mach/vmalloc.h b/arch/arm/mach-s3c64xx/include/mach/vmalloc.h
index 7411ef3711a6..bc0e91389864 100644
--- a/arch/arm/mach-s3c64xx/include/mach/vmalloc.h
+++ b/arch/arm/mach-s3c64xx/include/mach/vmalloc.h
@@ -15,6 +15,6 @@
 #ifndef __ASM_ARCH_VMALLOC_H
 #define __ASM_ARCH_VMALLOC_H
 
-#define VMALLOC_END	  (0xE0000000)
+#define VMALLOC_END	0xE0000000UL
 
 #endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/vmalloc.h b/arch/arm/mach-s5p6440/include/mach/vmalloc.h
index 16df257b1dce..e3f0eebf5205 100644
--- a/arch/arm/mach-s5p6440/include/mach/vmalloc.h
+++ b/arch/arm/mach-s5p6440/include/mach/vmalloc.h
@@ -12,6 +12,6 @@
 #ifndef __ASM_ARCH_VMALLOC_H
 #define __ASM_ARCH_VMALLOC_H
 
-#define VMALLOC_END	  (0xE0000000)
+#define VMALLOC_END	0xE0000000UL
 
 #endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/vmalloc.h b/arch/arm/mach-s5p6442/include/mach/vmalloc.h
index be3333688c20..f5c83f02c18e 100644
--- a/arch/arm/mach-s5p6442/include/mach/vmalloc.h
+++ b/arch/arm/mach-s5p6442/include/mach/vmalloc.h
@@ -12,6 +12,6 @@
 #ifndef __ASM_ARCH_VMALLOC_H
 #define __ASM_ARCH_VMALLOC_H
 
-#define VMALLOC_END	  (0xE0000000)
+#define VMALLOC_END	0xE0000000UL
 
 #endif /* __ASM_ARCH_VMALLOC_H */