cleanup enter_lazy_tlb()

From: Brian Gerst <bgerst@didntduck.org>

Move the #ifdef into the function body.

Signed-off-by: Brian Gerst <bgerst@didntduck.org>
Signed-off-by: Andi Kleen <ak@suse.de>

Index: linux/include/asm-x86_64/mmu_context.h
===================================================================
--- linux.orig/include/asm-x86_64/mmu_context.h
+++ linux/include/asm-x86_64/mmu_context.h
@@ -15,18 +15,13 @@
 int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
 void destroy_context(struct mm_struct *mm);
 
-#ifdef CONFIG_SMP
-
 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
+#ifdef CONFIG_SMP
 	if (read_pda(mmu_state) == TLBSTATE_OK) 
 		write_pda(mmu_state, TLBSTATE_LAZY);
-}
-#else
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
 #endif
+}
 
 static inline void load_cr3(pgd_t *pgd)
 {