"make namespacecheck" fixes

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index 6791b83..2c24bea 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -324,7 +324,7 @@
 	.release	= single_release,
 };
 
-int pt_dump_init(void)
+static int pt_dump_init(void)
 {
 	struct dentry *pe;
 
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index f7823a1..c29ebd0 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -993,7 +993,7 @@
 	.release	= single_release,
 };
 
-int __init debug_pagealloc_proc_init(void)
+static int __init debug_pagealloc_proc_init(void)
 {
 	struct dentry *de;
 
diff --git a/arch/x86/mm/srat_64.c b/arch/x86/mm/srat_64.c
index fb43d89..3890234 100644
--- a/arch/x86/mm/srat_64.c
+++ b/arch/x86/mm/srat_64.c
@@ -163,7 +163,7 @@
 	       pxm, apic_id, node);
 }
 
-int update_end_of_memory(unsigned long end) {return -1;}
+static int update_end_of_memory(unsigned long end) {return -1;}
 static int hotadd_enough_memory(struct bootnode *nd) {return 1;}
 #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
 static inline int save_add_info(void) {return 1;}