1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-x86/e820_32.h b/include/asm-x86/e820_32.h
index f1da7ebd1905..e7207a6de3e0 100644
--- a/include/asm-x86/e820_32.h
+++ b/include/asm-x86/e820_32.h
@@ -28,6 +28,8 @@ extern void find_max_pfn(void);
 extern void register_bootmem_low_pages(unsigned long max_low_pfn);
 extern void add_memory_region(unsigned long long start,
                               unsigned long long size, int type);
+extern void update_memory_range(u64 start, u64 size, unsigned old_type,
+                                unsigned new_type);
 extern void e820_register_memory(void);
 extern void limit_regions(unsigned long long size);
 extern void print_memory_map(char *who);