diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 3b88493..6375747 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -26,10 +26,10 @@
 
 void __cpuinit x86_init_noop(void) { }
 void __init x86_init_uint_noop(unsigned int unused) { }
-void __init x86_init_pgd_start_noop(void) { }
-void __init x86_init_pgd_done_noop(pgd_t *unused) { }
-int __init iommu_init_noop(void) { return 0; }
-void iommu_shutdown_noop(void) { }
+static void __init x86_init_pgd_start_noop(void) { }
+static void __init x86_init_pgd_done_noop(pgd_t *unused) { }
+static int __init iommu_init_noop(void) { return 0; }
+static void iommu_shutdown_noop(void) { }
 
 /*
  * The platform setup functions are preset with the default functions
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index c4aa1b2..79082e1 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -553,7 +553,7 @@ early_param("highmem", parse_highmem);
  * artificially via the highmem=x boot parameter then create
  * it:
  */
-void __init lowmem_pfn_init(void)
+static void __init lowmem_pfn_init(void)
 {
 	/* max_low_pfn is 0, we already have early_res support */
 	max_low_pfn = max_pfn;
@@ -589,7 +589,7 @@ void __init lowmem_pfn_init(void)
  * We have more RAM than fits into lowmem - we try to put it into
  * highmem, also taking the highmem=x boot parameter into account:
  */
-void __init highmem_pfn_init(void)
+static void __init highmem_pfn_init(void)
 {
 	max_low_pfn = MAXMEM_PFN;