Define zero-page offset 0x1e4 as a scratch field, and use it

[linux-2.6-omap-h63xx.git] / Documentation / i386 / zero-page.txt

diff --git a/Documentation/i386/zero-page.txt b/Documentation/i386/zero-page.txt
index c04a421f4a7c70290aaf6d6f4eb54af701fd2ae6..75b3680c41eb835e751a242191f2439914166152 100644 (file)
--- a/Documentation/i386/zero-page.txt
+++ b/Documentation/i386/zero-page.txt
@@ -37,6 +37,7 @@ Offset        Type            Description
 0x1d0  unsigned long   EFI memory descriptor map pointer
 0x1d4  unsigned long   EFI memory descriptor map size
 0x1e0  unsigned long   ALT_MEM_K, alternative mem check, in Kb
+0x1e4  unsigned long   Scratch field for the kernel setup code
 0x1e8  char            number of entries in E820MAP (below)
 0x1e9  unsigned char   number of entries in EDDBUF (below)
 0x1ea  unsigned char   number of entries in EDD_MBR_SIG_BUFFER (below)