92 	struct memory_block *mem = to_memory_block(dev);  in memory_block_release()  local
94 	kfree(mem);  in memory_block_release()
109 	struct memory_block *mem = to_memory_block(dev);  in phys_index_show()  local
112 	phys_index = mem->start_section_nr / sections_per_block;  in phys_index_show()
125 	struct memory_block *mem = to_memory_block(dev);  in removable_show()  local
129 	if (mem->state != MEM_ONLINE)  in removable_show()
133 		if (!present_section_nr(mem->start_section_nr + i))  in removable_show()
135 		pfn = section_nr_to_pfn(mem->start_section_nr + i);  in removable_show()
149 	struct memory_block *mem = to_memory_block(dev);  in state_show()  local
156 	switch (mem->state) {  in state_show()
168 				mem->state);  in state_show()
258 static int memory_block_change_state(struct memory_block *mem,  in memory_block_change_state()  argument
263 	if (mem->state != from_state_req)  in memory_block_change_state()
267 		mem->state = MEM_GOING_OFFLINE;  in memory_block_change_state()
269 	ret = memory_block_action(mem->start_section_nr, to_state,  in memory_block_change_state()
270 				mem->online_type);  in memory_block_change_state()
272 	mem->state = ret ? from_state_req : to_state;  in memory_block_change_state()
280 	struct memory_block *mem = to_memory_block(dev);  in memory_subsys_online()  local
283 	if (mem->state == MEM_ONLINE)  in memory_subsys_online()
291 	if (mem->online_type < 0)  in memory_subsys_online()
292 		mem->online_type = MMOP_ONLINE_KEEP;  in memory_subsys_online()
294 	ret = memory_block_change_state(mem, MEM_ONLINE, MEM_OFFLINE);  in memory_subsys_online()
297 	mem->online_type = -1;  in memory_subsys_online()
304 	struct memory_block *mem = to_memory_block(dev);  in memory_subsys_offline()  local
306 	if (mem->state == MEM_OFFLINE)  in memory_subsys_offline()
310 	if (mem->section_count != sections_per_block)  in memory_subsys_offline()
313 	return memory_block_change_state(mem, MEM_OFFLINE, MEM_ONLINE);  in memory_subsys_offline()
319 	struct memory_block *mem = to_memory_block(dev);  in state_store()  local
344 		mem->online_type = online_type;  in state_store()
345 		ret = device_online(&mem->dev);  in state_store()
348 		ret = device_offline(&mem->dev);  in state_store()
377 	struct memory_block *mem = to_memory_block(dev);  in phys_device_show()  local
378 	return sprintf(buf, "%d\n", mem->phys_device);  in phys_device_show()
398 	struct memory_block *mem = to_memory_block(dev);  in valid_zones_show()  local
399 	unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr);  in valid_zones_show()
409 	if (mem->state == MEM_ONLINE) {  in valid_zones_show()
422 	nid = mem->nid;  in valid_zones_show()
648 	struct memory_block *mem;  in init_memory_block()  local
652 	mem = find_memory_block_by_id(block_id);  in init_memory_block()
653 	if (mem) {  in init_memory_block()
654 		put_device(&mem->dev);  in init_memory_block()
657 	mem = kzalloc(sizeof(*mem), GFP_KERNEL);  in init_memory_block()
658 	if (!mem)  in init_memory_block()
661 	mem->start_section_nr = block_id * sections_per_block;  in init_memory_block()
662 	mem->state = state;  in init_memory_block()
663 	start_pfn = section_nr_to_pfn(mem->start_section_nr);  in init_memory_block()
664 	mem->phys_device = arch_get_memory_phys_device(start_pfn);  in init_memory_block()
665 	mem->nid = NUMA_NO_NODE;  in init_memory_block()
667 	ret = register_memory(mem);  in init_memory_block()
669 	*memory = mem;  in init_memory_block()
676 	struct memory_block *mem;  in add_memory_block()  local
686 	ret = init_memory_block(&mem, base_memory_block_id(base_section_nr),  in add_memory_block()
690 	mem->section_count = section_count;  in add_memory_block()
713 	struct memory_block *mem;  in create_memory_block_devices()  local
723 		ret = init_memory_block(&mem, block_id, MEM_OFFLINE);  in create_memory_block_devices()
726 		mem->section_count = sections_per_block;  in create_memory_block_devices()
732 			mem = find_memory_block_by_id(block_id);  in create_memory_block_devices()
733 			mem->section_count = 0;  in create_memory_block_devices()
734 			unregister_memory(mem);  in create_memory_block_devices()
750 	struct memory_block *mem;  in remove_memory_block_devices()  local
759 		mem = find_memory_block_by_id(block_id);  in remove_memory_block_devices()
760 		if (WARN_ON_ONCE(!mem))  in remove_memory_block_devices()
762 		mem->section_count = 0;  in remove_memory_block_devices()
763 		unregister_memory_block_under_nodes(mem);  in remove_memory_block_devices()
764 		unregister_memory(mem);  in remove_memory_block_devices()
770 bool is_memblock_offlined(struct memory_block *mem)  in is_memblock_offlined()  argument
772 	return mem->state == MEM_OFFLINE;  in is_memblock_offlined()
856 	struct memory_block *mem;  in walk_memory_blocks()  local
864 		mem = find_memory_block_by_id(block_id);  in walk_memory_blocks()
865 		if (!mem)  in walk_memory_blocks()
868 		ret = func(mem, arg);  in walk_memory_blocks()
869 		put_device(&mem->dev);  in walk_memory_blocks()
883 	struct memory_block *mem = to_memory_block(dev);  in for_each_memory_block_cb()  local
886 	return cb_data->func(mem, cb_data->arg);  in for_each_memory_block_cb()