diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index d7b101b..dee632f 100644
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -79,9 +79,10 @@
 
 #define __PHYSICAL_START	CONFIG_PHYSICAL_START
 #define __KERNEL_ALIGN		0x200000
+
 #define __START_KERNEL		(__START_KERNEL_map + __PHYSICAL_START)
-#define __START_KERNEL_map	0xffffffff80000000
-#define __PAGE_OFFSET           0xffff810000000000
+#define __START_KERNEL_map	_AC(0xffffffff80000000, UL)
+#define __PAGE_OFFSET           _AC(0xffff810000000000, UL)
 
 /* to align the pointer to the (next) page boundary */
 #define PAGE_ALIGN(addr)	(((addr)+PAGE_SIZE-1)&PAGE_MASK)
@@ -93,7 +94,7 @@
 #define __VIRTUAL_MASK		((_AC(1,UL) << __VIRTUAL_MASK_SHIFT) - 1)
 
 #define KERNEL_TEXT_SIZE  (40*1024*1024)
-#define KERNEL_TEXT_START 0xffffffff80000000
+#define KERNEL_TEXT_START _AC(0xffffffff80000000, UL)
 #define PAGE_OFFSET		__PAGE_OFFSET
 
 #ifndef __ASSEMBLY__
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 4e86aca..08b9831 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -134,11 +134,11 @@
 #define USER_PTRS_PER_PGD	((TASK_SIZE-1)/PGDIR_SIZE+1)
 #define FIRST_USER_ADDRESS	0
 
-#define MAXMEM		 0x3fffffffffff
-#define VMALLOC_START    0xffffc20000000000
-#define VMALLOC_END      0xffffe1ffffffffff
-#define MODULES_VADDR    0xffffffff88000000
-#define MODULES_END      0xfffffffffff00000
+#define MAXMEM		 _AC(0x3fffffffffff, UL)
+#define VMALLOC_START    _AC(0xffffc20000000000, UL)
+#define VMALLOC_END      _AC(0xffffe1ffffffffff, UL)
+#define MODULES_VADDR    _AC(0xffffffff88000000, UL)
+#define MODULES_END      _AC(0xfffffffffff00000, UL)
 #define MODULES_LEN   (MODULES_END - MODULES_VADDR)
 
 #define _PAGE_BIT_PRESENT	0