extern void switch_mm(struct mm_struct *prev, struct mm_struct *next,
struct task_struct *tsk);
+extern void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk);
+#define switch_mm_irqs_off switch_mm_irqs_off
#define activate_mm(prev, next) \
do { \