1 files changed, 6 insertions, 1 deletions

diff --git a/arch/x86_64/boot/setup.S b/arch/x86_64/boot/setup.S
index 816d04faa2be..4f8851000d7e 100644
--- a/arch/x86_64/boot/setup.S
+++ b/arch/x86_64/boot/setup.S
@@ -51,6 +51,7 @@
 #include <asm/boot.h>
 #include <asm/e820.h>
 #include <asm/page.h>
+#include <asm/setup.h>
 
 /* Signature words to ensure LILO loaded us right */
 #define SIG1    0xAA55
@@ -80,7 +81,7 @@ start:
 # This is the setup header, and it must start at %cs:2 (old 0x9020:2)
 
                 .ascii  "HdrS"          # header signature
-                .word   0x0205          # header version number (>= 0x0105)
+                .word   0x0206          # header version number (>= 0x0105)
                                         # or else old loadlin-1.5 will fail)
 realmode_swtch: .word   0, 0            # default_switch, SETUPSEG
 start_sys_seg:  .word   SYSSEG
@@ -165,6 +166,10 @@ relocatable_kernel:    .byte 0
 pad2:                  .byte 0
 pad3:                  .word 0
 
+cmdline_size:   .long   COMMAND_LINE_SIZE-1     #length of the command line,
+                                                #added with boot protocol
+                                                #version 2.06
+
 trampoline:     call    start_of_setup
                 .align 16
                                         # The offset at this point is 0x240