101 	struct memory_block *mem = to_memory_block(dev);  in memory_block_release()  local
103 	kfree(mem);  in memory_block_release()
118 	struct memory_block *mem = to_memory_block(dev);  in phys_index_show()  local
121 	phys_index = mem->start_section_nr / sections_per_block;  in phys_index_show()
142 	struct memory_block *mem = to_memory_block(dev);  in state_show()  local
149 	switch (mem->state) {  in state_show()
161 		return sysfs_emit(buf, "ERROR-UNKNOWN-%ld\n", mem->state);  in state_show()
202 static int memory_block_change_state(struct memory_block *mem,  in memory_block_change_state()  argument
207 	if (mem->state != from_state_req)  in memory_block_change_state()
211 		mem->state = MEM_GOING_OFFLINE;  in memory_block_change_state()
213 	ret = memory_block_action(mem->start_section_nr, to_state,  in memory_block_change_state()
214 				  mem->online_type, mem->nid);  in memory_block_change_state()
216 	mem->state = ret ? from_state_req : to_state;  in memory_block_change_state()
224 	struct memory_block *mem = to_memory_block(dev);  in memory_subsys_online()  local
227 	if (mem->state == MEM_ONLINE)  in memory_subsys_online()
234 	if (mem->online_type == MMOP_OFFLINE)  in memory_subsys_online()
235 		mem->online_type = MMOP_ONLINE;  in memory_subsys_online()
237 	ret = memory_block_change_state(mem, MEM_ONLINE, MEM_OFFLINE);  in memory_subsys_online()
238 	mem->online_type = MMOP_OFFLINE;  in memory_subsys_online()
245 	struct memory_block *mem = to_memory_block(dev);  in memory_subsys_offline()  local
247 	if (mem->state == MEM_OFFLINE)  in memory_subsys_offline()
250 	return memory_block_change_state(mem, MEM_OFFLINE, MEM_ONLINE);  in memory_subsys_offline()
257 	struct memory_block *mem = to_memory_block(dev);  in state_store()  local
271 		/* mem->online_type is protected by device_hotplug_lock */  in state_store()
272 		mem->online_type = online_type;  in state_store()
273 		ret = device_online(&mem->dev);  in state_store()
276 		ret = device_offline(&mem->dev);  in state_store()
302 	struct memory_block *mem = to_memory_block(dev);  in phys_device_show()  local
303 	unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr);  in phys_device_show()
326 	struct memory_block *mem = to_memory_block(dev);  in valid_zones_show()  local
327 	unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr);  in valid_zones_show()
337 	if (mem->state == MEM_ONLINE) {  in valid_zones_show()
350 	nid = mem->nid;  in valid_zones_show()
504 	struct memory_block *mem;  in find_memory_block_by_id()  local
506 	mem = xa_load(&memory_blocks, block_id);  in find_memory_block_by_id()
507 	if (mem)  in find_memory_block_by_id()
508 		get_device(&mem->dev);  in find_memory_block_by_id()
509 	return mem;  in find_memory_block_by_id()
571 	struct memory_block *mem;  in init_memory_block()  local
574 	mem = find_memory_block_by_id(block_id);  in init_memory_block()
575 	if (mem) {  in init_memory_block()
576 		put_device(&mem->dev);  in init_memory_block()
579 	mem = kzalloc(sizeof(*mem), GFP_KERNEL);  in init_memory_block()
580 	if (!mem)  in init_memory_block()
583 	mem->start_section_nr = block_id * sections_per_block;  in init_memory_block()
584 	mem->state = state;  in init_memory_block()
585 	mem->nid = NUMA_NO_NODE;  in init_memory_block()
587 	ret = register_memory(mem);  in init_memory_block()
631 	struct memory_block *mem;  in create_memory_block_devices()  local
648 			mem = find_memory_block_by_id(block_id);  in create_memory_block_devices()
649 			if (WARN_ON_ONCE(!mem))  in create_memory_block_devices()
651 			unregister_memory(mem);  in create_memory_block_devices()
668 	struct memory_block *mem;  in remove_memory_block_devices()  local
676 		mem = find_memory_block_by_id(block_id);  in remove_memory_block_devices()
677 		if (WARN_ON_ONCE(!mem))  in remove_memory_block_devices()
679 		unregister_memory_block_under_nodes(mem);  in remove_memory_block_devices()
680 		unregister_memory(mem);  in remove_memory_block_devices()
685 bool is_memblock_offlined(struct memory_block *mem)  in is_memblock_offlined()  argument
687 	return mem->state == MEM_OFFLINE;  in is_memblock_offlined()
769 	struct memory_block *mem;  in walk_memory_blocks()  local
777 		mem = find_memory_block_by_id(block_id);  in walk_memory_blocks()
778 		if (!mem)  in walk_memory_blocks()
781 		ret = func(mem, arg);  in walk_memory_blocks()
782 		put_device(&mem->dev);  in walk_memory_blocks()
796 	struct memory_block *mem = to_memory_block(dev);  in for_each_memory_block_cb()  local
799 	return cb_data->func(mem, cb_data->arg);  in for_each_memory_block_cb()