#define deactivate_mm(tsk,mm) do { } while (0)
-#define activate_mm(prev,next) switch_mm((prev),(next),NULL)
+static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+ switch_mm(prev, next, NULL);
+ local_irq_restore(flags);
+}
/* current active pgd - this is similar to other processors pgd
* registers like cr3 on the i386