71 static unsigned int steal_context_smp(unsigned int id)  in steal_context_smp()  argument
82 		mm = context_mm[id];  in steal_context_smp()
88 			id++;  in steal_context_smp()
89 			if (id > last_context)  in steal_context_smp()
90 				id = first_context;  in steal_context_smp()
94 			 smp_processor_id(), id, mm);  in steal_context_smp()
97 		mm->context.id = MMU_NO_CONTEXT;  in steal_context_smp()
101 			__set_bit(id, stale_map[cpu]);  in steal_context_smp()
102 		return id;  in steal_context_smp()
120 static unsigned int steal_context_up(unsigned int id)  in steal_context_up()  argument
126 	mm = context_mm[id];  in steal_context_up()
128 	pr_debug("[%d] steal context %d from mm @%p\n", cpu, id, mm);  in steal_context_up()
131 	mm->context.id = MMU_NO_CONTEXT;  in steal_context_up()
137 	__clear_bit(id, stale_map[cpu]);  in steal_context_up()
139 	return id;  in steal_context_up()
145 	unsigned int id, nrf, nact;  in context_check_map()  local
148 	for (id = first_context; id <= last_context; id++) {  in context_check_map()
149 		int used = test_bit(id, context_map);  in context_check_map()
152 		if (used != (context_mm[id] != NULL))  in context_check_map()
154 			       id, used ? "used" : "free", context_mm[id]);  in context_check_map()
155 		if (context_mm[id] != NULL)  in context_check_map()
156 			nact += context_mm[id]->context.active;  in context_check_map()
175 	unsigned int id, cpu = smp_processor_id();  in switch_mmu_context()  local
183 		 cpu, next, next->context.active, next->context.id);  in switch_mmu_context()
200 	id = next->context.id;  in switch_mmu_context()
201 	if (likely(id != MMU_NO_CONTEXT))  in switch_mmu_context()
205 	id = next_context;  in switch_mmu_context()
206 	if (id > last_context)  in switch_mmu_context()
207 		id = first_context;  in switch_mmu_context()
214 			id = steal_context_smp(id);  in switch_mmu_context()
218 		id = steal_context_up(id);  in switch_mmu_context()
224 	while (__test_and_set_bit(id, map)) {  in switch_mmu_context()
225 		id = find_next_zero_bit(map, last_context+1, id);  in switch_mmu_context()
226 		if (id > last_context)  in switch_mmu_context()
227 			id = first_context;  in switch_mmu_context()
230 	next_context = id + 1;  in switch_mmu_context()
231 	context_mm[id] = next;  in switch_mmu_context()
232 	next->context.id = id;  in switch_mmu_context()
236 		 cpu, id, nr_free_contexts);  in switch_mmu_context()
245 	if (test_bit(id, stale_map[cpu])) {  in switch_mmu_context()
247 			 cpu, id, next);  in switch_mmu_context()
251 		__clear_bit(id, stale_map[cpu]);  in switch_mmu_context()
255 	set_context(id, next->pgd);  in switch_mmu_context()
264 	mm->context.id = MMU_NO_CONTEXT;  in init_new_context()
275 	unsigned int id;  in destroy_context()  local
277 	if (mm->context.id == MMU_NO_CONTEXT)  in destroy_context()
283 	id = mm->context.id;  in destroy_context()
284 	if (id != MMU_NO_CONTEXT) {  in destroy_context()
285 		__clear_bit(id, context_map);  in destroy_context()
286 		mm->context.id = MMU_NO_CONTEXT;  in destroy_context()
289 		context_mm[id] = NULL;  in destroy_context()