52 		struct mm_struct *next, struct task_struct *tsk)  in switch_mm_irqs_off()  argument
54 	if (prev != next) {  in switch_mm_irqs_off()
55 		mtctl(__pa(next->pgd), 25);  in switch_mm_irqs_off()
56 		load_context(next->context);  in switch_mm_irqs_off()
61 		struct mm_struct *next, struct task_struct *tsk)  in switch_mm()  argument
65 	if (prev == next)  in switch_mm()
69 	switch_mm_irqs_off(prev, next, tsk);  in switch_mm()
76 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)  in activate_mm()  argument
86 	BUG_ON(next == &init_mm); /* Should never happen */  in activate_mm()
88 	if (next->context == 0)  in activate_mm()
89 	    next->context = alloc_sid();  in activate_mm()
91 	switch_mm(prev,next,current);  in activate_mm()