x86: janitor CPA statistics patch

1) Remove __meminit from update_pages_count. It is used inside
split_pages()

2) Make the code depend on PROC_FS. Doing statistics for nothing is
useless and not adding useless code is nice to the Linux tiny folks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 5 insertions, 1 deletions

diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 111564fa5e70..bd26559dc8e8 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -372,7 +372,11 @@ enum {
         PG_LEVEL_NUM
 };
 
-void update_page_count(int level, unsigned long pages);
+#ifdef CONFIG_PROC_FS
+extern void update_page_count(int level, unsigned long pages);
+#else
+static inline void update_page_count(int level, unsigned long pages) { }
+#endif
 
 /*
  * Helper function that returns the kernel pagetable entry controlling