diff --git a/headers/private/kernel/arch/arm/arch_kernel.h b/headers/private/kernel/arch/arm/arch_kernel.h
index 29706219ad..153fa6768f 100644
--- a/headers/private/kernel/arch/arm/arch_kernel.h
+++ b/headers/private/kernel/arch/arm/arch_kernel.h
@@ -27,8 +27,8 @@
 #define USER_SIZE		(0x80000000 - (0x10000 + USER_BASE))
 #define USER_TOP		(USER_BASE + (USER_SIZE - 1))
 
-#define KERNEL_USER_DATA_BASE	0x60000000
-#define USER_STACK_REGION	0x70000000
+#define KERNEL_USER_DATA_BASE	0x70000000
+#define USER_STACK_REGION		0x70000000
 #define USER_STACK_REGION_SIZE	((USER_TOP - USER_STACK_REGION) + 1)
 
 #endif	/* _KERNEL_ARCH_ARM_KERNEL_H */
diff --git a/headers/private/kernel/arch/m68k/arch_kernel.h b/headers/private/kernel/arch/m68k/arch_kernel.h
index 1703e9734e..10a3651ab3 100644
--- a/headers/private/kernel/arch/m68k/arch_kernel.h
+++ b/headers/private/kernel/arch/m68k/arch_kernel.h
@@ -25,8 +25,8 @@
 #define USER_SIZE     (0x80000000 - (0x10000 + USER_BASE))
 #define USER_TOP      (USER_BASE + (USER_SIZE - 1))
 
-#define KERNEL_USER_DATA_BASE	0x60000000
-#define USER_STACK_REGION              0x70000000
+#define KERNEL_USER_DATA_BASE	0x70000000
+#define USER_STACK_REGION		0x70000000
 #define USER_STACK_REGION_SIZE ((USER_TOP - USER_STACK_REGION) + 1)
 
 #endif	/* _KERNEL_ARCH_M68K_KERNEL_H */
diff --git a/headers/private/kernel/arch/mipsel/arch_kernel.h b/headers/private/kernel/arch/mipsel/arch_kernel.h
index 47da8ba256..998ba8fbc9 100644
--- a/headers/private/kernel/arch/mipsel/arch_kernel.h
+++ b/headers/private/kernel/arch/mipsel/arch_kernel.h
@@ -28,8 +28,8 @@
 #define USER_SIZE     (0x80000000 - (0x10000 + USER_BASE))
 #define USER_TOP      (USER_BASE + (USER_SIZE - 1))
 
-#define KERNEL_USER_DATA_BASE	0x60000000
-#define USER_STACK_REGION              0x70000000
+#define KERNEL_USER_DATA_BASE	0x70000000
+#define USER_STACK_REGION		0x70000000
 #define USER_STACK_REGION_SIZE ((USER_TOP - USER_STACK_REGION) + 1)
 
 #endif	/* _KERNEL_ARCH_MIPSEL_KERNEL_H */
diff --git a/headers/private/kernel/arch/ppc/arch_kernel.h b/headers/private/kernel/arch/ppc/arch_kernel.h
index 66d842f4f9..63aec29acd 100644
--- a/headers/private/kernel/arch/ppc/arch_kernel.h
+++ b/headers/private/kernel/arch/ppc/arch_kernel.h
@@ -25,8 +25,8 @@
 #define USER_SIZE     (0x80000000 - (0x10000 + USER_BASE))
 #define USER_TOP      (USER_BASE + (USER_SIZE - 1))
 
-#define KERNEL_USER_DATA_BASE	0x60000000
-#define USER_STACK_REGION              0x70000000
+#define KERNEL_USER_DATA_BASE	0x70000000
+#define USER_STACK_REGION		0x70000000
 #define USER_STACK_REGION_SIZE ((USER_TOP - USER_STACK_REGION) + 1)
 
 #endif	/* _KERNEL_ARCH_PPC_KERNEL_H */
diff --git a/headers/private/kernel/arch/x86/arch_kernel.h b/headers/private/kernel/arch/x86/arch_kernel.h
index f3ea30c4a2..8b8f82d370 100644
--- a/headers/private/kernel/arch/x86/arch_kernel.h
+++ b/headers/private/kernel/arch/x86/arch_kernel.h
@@ -61,8 +61,7 @@
 #define USER32_SIZE				0x100000000
 #define USER32_TOP				(USER_BASE + (USER32_SIZE - 1))
 
-#define KERNEL_USER32_DATA_BASE	0x60000000
-
+#define KERNEL_USER32_DATA_BASE	0x70000000
 #define USER32_STACK_REGION		0x70000000
 #define USER32_STACK_REGION_SIZE	((USER32_TOP - USER32_STACK_REGION) + 1)
 
@@ -89,7 +88,7 @@
 #define USER_SIZE				(KERNEL_BASE - (0x10000 + USER_BASE))
 #define USER_TOP				(USER_BASE + (USER_SIZE - 1))
 
-#define KERNEL_USER_DATA_BASE	0x60000000
+#define KERNEL_USER_DATA_BASE	0x70000000
 #define USER_STACK_REGION		0x70000000
 #define USER_STACK_REGION_SIZE	((USER_TOP - USER_STACK_REGION) + 1)