1 files changed, 11 insertions, 0 deletions

diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index ee8fe4c5da41..44ed9c0a4dfd 100644
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -79,6 +79,8 @@ static inline void e820_mark_nosave_regions(unsigned long limit_pfn)
 }
 #endif
 
+extern unsigned long end_user_pfn;
+
 extern u64 find_e820_area(u64 start, u64 end, u64 size, u64 align);
 extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align);
 extern void reserve_early(u64 start, u64 end, char *name);
@@ -86,6 +88,15 @@ extern void free_early(u64 start, u64 end);
 extern void early_res_to_bootmem(u64 start, u64 end);
 extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
 
+extern unsigned long e820_end_of_ram(void);
+extern int e820_find_active_region(const struct e820entry *ei,
+                                  unsigned long start_pfn,
+                                  unsigned long last_pfn,
+                                  unsigned long *ei_startpfn,
+                                  unsigned long *ei_endpfn);
+extern void e820_register_active_regions(int nid, unsigned long start_pfn,
+                                         unsigned long end_pfn);
+extern u64 e820_hole_size(u64 start, u64 end);
 #endif /* __ASSEMBLY__ */
 
 #define ISA_START_ADDRESS       0xa0000