x86: extract common part of head32.c and head64.c into head.c

This patch extracts the common part of head32.c and head64.c into head.c.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: andi@firstfloor.org
Cc: mingo@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-x86/bios_ebda.h b/include/asm-x86/bios_ebda.h
index b4a46b7be794..0033e50c13b2 100644
--- a/include/asm-x86/bios_ebda.h
+++ b/include/asm-x86/bios_ebda.h
@@ -14,4 +14,6 @@ static inline unsigned int get_bios_ebda(void)
         return address; /* 0 means none */
 }
 
+void reserve_ebda_region(void);
+
 #endif /* _MACH_BIOS_EBDA_H */