1 files changed, 1 insertions, 0 deletions

diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
index 4f913857b8a2..feb37e177010 100644
--- a/Documentation/x86/zero-page.txt
+++ b/Documentation/x86/zero-page.txt
@@ -12,6 +12,7 @@ Offset	Proto	Name		Meaning
 000/040 ALL     screen_info     Text mode or frame buffer information
                                 (struct screen_info)
 040/014 ALL     apm_bios_info   APM BIOS information (struct apm_bios_info)
+058/008 ALL     tboot_addr      Physical address of tboot shared page
 060/010 ALL     ist_info        Intel SpeedStep (IST) BIOS support information
                                 (struct ist_info)
 080/010 ALL     hd0_info        hd0 disk parameter, OBSOLETE!!