1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index 4b26604b3c19..a20d0a7f5892 100644
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -59,7 +59,9 @@ struct e820map {
         struct e820entry map[E820_X_MAX];
 };
 
+/* see comment in arch/x86/kernel/e820.c */
 extern struct e820map e820;
+extern struct e820map e820_saved;
 
 extern int e820_any_mapped(u64 start, u64 end, unsigned type);
 extern int e820_all_mapped(u64 start, u64 end, unsigned type);