x86: extend e820 early_res support 32bit -fix #3

introduce init_pg_table_start, so xen PV could specify the value.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h
index ffa0f540fc7f..64f5f0c11d66 100644
--- a/include/asm-x86/setup.h
+++ b/include/asm-x86/setup.h
@@ -59,9 +59,11 @@ int __init copy_e820_map(struct e820entry *biosmap, int nr_map);
 void __init add_memory_region(unsigned long long start,
                               unsigned long long size, int type);
 
-extern unsigned long init_pg_tables_end;
 
+void __init i386_start_kernel(void);
 
+extern unsigned long init_pg_tables_start;
+extern unsigned long init_pg_tables_end;
 
 #endif /* __i386__ */
 #endif /* _SETUP */