diff --git a/[refs] b/[refs]
index 5a1c5f1c3337..d24a9abfa693 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c711288727a62f74d48032e56e51333dd104bf58
+refs/heads/master: 64282278989d5b0398dcb3ba7904cb00c621dc35
diff --git a/trunk/arch/x86/include/asm/x86_init.h b/trunk/arch/x86/include/asm/x86_init.h
index 995ea5c3fbf4..57693498519c 100644
--- a/trunk/arch/x86/include/asm/x86_init.h
+++ b/trunk/arch/x86/include/asm/x86_init.h
@@ -81,7 +81,10 @@ struct x86_init_mapping {
 
 /**
  * struct x86_init_paging - platform specific paging functions
- * @pagetable_init:		platform specific paging initialization call
+ * @pagetable_init:	platform specific paging initialization call to setup
+ *			the kernel pagetables and prepare accessors functions.
+ *			Callback must call paging_init(). Called once after the
+ *			direct mapping for phys memory is available.
  */
 struct x86_init_paging {
 	void (*pagetable_init)(void);