1 files changed, 4 insertions, 1 deletions

diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 995ea5c3fbf4..57693498519c 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/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);