x86: Document x86_init.paging.pagetable_init()
Signed-off-by: Attilio Rao <attilio.rao@citrix.com>
Acked-by: <konrad.wilk@oracle.com>
Cc: <Ian.Campbell@citrix.com>
Cc: <Stefano.Stabellini@eu.citrix.com>
Cc: <xen-devel@lists.xensource.com>
Link: http://lkml.kernel.org/r/1345580561-8506-6-git-send-email-attilio.rao@citrix.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 995ea5c3..5769349 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -81,7 +81,10 @@
/**
* 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);