diff --git a/[refs] b/[refs]
index 41557940383d..64f33a5995de 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0054f4b708d21bd0032480cf7309d17753bc17bb
+refs/heads/master: a5ae1c372dc5bbaee905bcede524d7180d22b362
diff --git a/trunk/include/asm-x86/processor.h b/trunk/include/asm-x86/processor.h
index 40227c9bf51b..b0dece41dbc4 100644
--- a/trunk/include/asm-x86/processor.h
+++ b/trunk/include/asm-x86/processor.h
@@ -870,7 +870,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
 /*
  * User space process size. 47bits minus one guard page.
  */
-#define TASK_SIZE64		(0x800000000000UL - 4096)
+#define TASK_SIZE64	((1UL << 47) - PAGE_SIZE)
 
 /* This decides where the kernel will search for a free chunk of vm
  * space during mmap's.