53 		struct mm_struct *next, struct task_struct *tsk)  in switch_mm_irqs_off()  argument
55 	if (prev != next) {  in switch_mm_irqs_off()
59 		spinlock_t *pgd_lock = &next->page_table_lock;  in switch_mm_irqs_off()
62 		mtctl(__pa(next->pgd), 25);  in switch_mm_irqs_off()
63 		load_context(next->context);  in switch_mm_irqs_off()
68 		struct mm_struct *next, struct task_struct *tsk)  in switch_mm()  argument
72 	if (prev == next)  in switch_mm()
76 	switch_mm_irqs_off(prev, next, tsk);  in switch_mm()
83 static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)  in activate_mm()  argument
93 	BUG_ON(next == &init_mm); /* Should never happen */  in activate_mm()
95 	if (next->context == 0)  in activate_mm()
96 	    next->context = alloc_sid();  in activate_mm()
98 	switch_mm(prev,next,current);  in activate_mm()