x86: make e820.c to have common functions

remove the duplicated copy of these functions.

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

1 files changed, 14 insertions, 0 deletions

diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index 7004251fc66b..b5b519feba1d 100644
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -20,6 +20,20 @@ struct e820map {
         __u32 nr_map;
         struct e820entry map[E820MAX];
 };
+
+extern struct e820map e820;
+
+extern int e820_any_mapped(u64 start, u64 end, unsigned type);
+extern int e820_all_mapped(u64 start, u64 end, unsigned type);
+extern void add_memory_region(u64 start, u64 size, int type);
+extern void e820_print_map(char *who);
+extern int sanitize_e820_map(struct e820entry *biosmap, char *pnr_map);
+extern int copy_e820_map(struct e820entry *biosmap, int nr_map);
+extern u64 update_memory_range(u64 start, u64 size, unsigned old_type,
+                               unsigned new_type);
+extern void update_e820(void);
+extern void e820_setup_gap(void);
+
 #endif /* __ASSEMBLY__ */
 
 #define ISA_START_ADDRESS       0xa0000