272 static int insert_memory_segment(struct memory_segment *seg)  in insert_memory_segment()  argument
276 	if (seg->start + seg->size > VMEM_MAX_PHYS ||  in insert_memory_segment()
277 	    seg->start + seg->size < seg->start)  in insert_memory_segment()
281 		if (seg->start >= tmp->start + tmp->size)  in insert_memory_segment()
283 		if (seg->start + seg->size <= tmp->start)  in insert_memory_segment()
287 	list_add(&seg->list, &mem_segs);  in insert_memory_segment()
294 static void remove_memory_segment(struct memory_segment *seg)  in remove_memory_segment()  argument
296 	list_del(&seg->list);  in remove_memory_segment()
299 static void __remove_shared_memory(struct memory_segment *seg)  in __remove_shared_memory()  argument
301 	remove_memory_segment(seg);  in __remove_shared_memory()
302 	vmem_remove_range(seg->start, seg->size);  in __remove_shared_memory()
307 	struct memory_segment *seg;  in vmem_remove_mapping()  local
313 	list_for_each_entry(seg, &mem_segs, list) {  in vmem_remove_mapping()
314 		if (seg->start == start && seg->size == size)  in vmem_remove_mapping()
318 	if (seg->start != start || seg->size != size)  in vmem_remove_mapping()
322 	__remove_shared_memory(seg);  in vmem_remove_mapping()
323 	kfree(seg);  in vmem_remove_mapping()
331 	struct memory_segment *seg;  in vmem_add_mapping()  local
336 	seg = kzalloc(sizeof(*seg), GFP_KERNEL);  in vmem_add_mapping()
337 	if (!seg)  in vmem_add_mapping()
339 	seg->start = start;  in vmem_add_mapping()
340 	seg->size = size;  in vmem_add_mapping()
342 	ret = insert_memory_segment(seg);  in vmem_add_mapping()
352 	__remove_shared_memory(seg);  in vmem_add_mapping()
354 	kfree(seg);  in vmem_add_mapping()
401 	struct memory_segment *seg;  in vmem_convert_memory_chunk()  local
405 		seg = kzalloc(sizeof(*seg), GFP_KERNEL);  in vmem_convert_memory_chunk()
406 		if (!seg)  in vmem_convert_memory_chunk()
408 		seg->start = reg->base;  in vmem_convert_memory_chunk()
409 		seg->size = reg->size;  in vmem_convert_memory_chunk()
410 		insert_memory_segment(seg);  in vmem_convert_memory_chunk()