1 files changed, 2 insertions, 0 deletions

diff --git a/include/asm-arm/mmu_context.h b/include/asm-arm/mmu_context.h
index 81c59facea3b..9fadb01e030d 100644
--- a/include/asm-arm/mmu_context.h
+++ b/include/asm-arm/mmu_context.h
@@ -82,6 +82,7 @@ static inline void
 switch_mm(struct mm_struct *prev, struct mm_struct *next,
           struct task_struct *tsk)
 {
+#ifdef CONFIG_MMU
         unsigned int cpu = smp_processor_id();
 
         if (prev != next) {
@@ -91,6 +92,7 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
                 if (cache_is_vivt())
                         cpu_clear(cpu, prev->cpu_vm_mask);
         }
+#endif
 }
 
 #define deactivate_mm(tsk,mm)   do { } while (0)