diff --git a/include/asm-arm/memory.h b/include/asm-arm/memory.h
index a814e73..2092894 100644
--- a/include/asm-arm/memory.h
+++ b/include/asm-arm/memory.h
@@ -172,10 +172,10 @@
  *  virt_addr_valid(k)	indicates whether a virtual address is valid
  */
 #ifndef CONFIG_DISCONTIGMEM
-#define ARCH_PFN_OFFSET		(PHYS_PFN_OFFSET)
+#define ARCH_PFN_OFFSET		PHYS_PFN_OFFSET
 #define pfn_valid(pfn)		((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr))
 
-#define virt_to_page(kaddr)	(pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
+#define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define virt_addr_valid(kaddr)	((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
 
 #define PHYS_TO_NID(addr)	(0)
@@ -187,7 +187,7 @@
  * around in memory.
  */
 #include <linux/numa.h>
-#define arch_pfn_to_nid(pfn)	(PFN_TO_NID(pfn))
+#define arch_pfn_to_nid(pfn)	PFN_TO_NID(pfn)
 #define arch_local_page_offset(pfn, nid) LOCAL_MAP_NR((pfn) << PAGE_SHIFT)
 
 #define pfn_valid(pfn)						\