diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index d37f29376b0ce455ae3907051a58779f4b995a25..4974e97dedfedad5adcdebc142c3ef2771f99c3a 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -47,6 +47,7 @@
 #include <asm/paravirt.h>
 #include <asm/setup.h>
 #include <asm/cacheflush.h>
+#include <asm/smp.h>
 
 unsigned int __VMALLOC_RESERVE = 128 << 20;
 
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index ab8528793f081bef8d7c945b7bddbaf1bff54073..c9dd069d4ef0834fcb145d756e17c350f8619f70 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -96,6 +96,7 @@ extern void find_low_pfn_range(void);
 extern unsigned long init_memory_mapping(unsigned long start,
 					 unsigned long end);
 extern void initmem_init(unsigned long, unsigned long);
+extern void free_initmem(void);
 extern void setup_bootmem_allocator(void);
 
 
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index c6916c83e6b1aee454e8a8d55ccd787652bee88e..e5a754e97f25cff12496ad928b29cbe2b39d0f00 100644
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -91,6 +91,7 @@ extern unsigned long init_memory_mapping(unsigned long start,
 					 unsigned long end);
 
 extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn);
+extern void free_initmem(void);
 
 extern void init_extra_mapping_uc(unsigned long phys, unsigned long size);
 extern void init_extra_mapping_wb(unsigned long phys, unsigned long size);