70 	struct acpi_memory_list *cache;  in acpi_os_create_cache()  local
80 	cache = acpi_os_allocate(sizeof(struct acpi_memory_list));  in acpi_os_create_cache()
81 	if (!cache) {  in acpi_os_create_cache()
87 	memset(cache, 0, sizeof(struct acpi_memory_list));  in acpi_os_create_cache()
88 	cache->list_name = cache_name;  in acpi_os_create_cache()
89 	cache->object_size = object_size;  in acpi_os_create_cache()
90 	cache->max_depth = max_depth;  in acpi_os_create_cache()
92 	*return_cache = cache;  in acpi_os_create_cache()
108 acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)  in acpi_os_purge_cache()  argument
115 	if (!cache) {  in acpi_os_purge_cache()
126 	while (cache->list_head) {  in acpi_os_purge_cache()
130 		next = ACPI_GET_DESCRIPTOR_PTR(cache->list_head);  in acpi_os_purge_cache()
131 		ACPI_FREE(cache->list_head);  in acpi_os_purge_cache()
133 		cache->list_head = next;  in acpi_os_purge_cache()
134 		cache->current_depth--;  in acpi_os_purge_cache()
154 acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache)  in acpi_os_delete_cache()  argument
162 	status = acpi_os_purge_cache(cache);  in acpi_os_delete_cache()
169 	acpi_os_free(cache);  in acpi_os_delete_cache()
188 acpi_os_release_object(struct acpi_memory_list * cache, void *object)  in acpi_os_release_object()  argument
194 	if (!cache || !object) {  in acpi_os_release_object()
200 	if (cache->current_depth >= cache->max_depth) {  in acpi_os_release_object()
202 		ACPI_MEM_TRACKING(cache->total_freed++);  in acpi_os_release_object()
215 		memset(object, 0xCA, cache->object_size);  in acpi_os_release_object()
220 		ACPI_SET_DESCRIPTOR_PTR(object, cache->list_head);  in acpi_os_release_object()
221 		cache->list_head = object;  in acpi_os_release_object()
222 		cache->current_depth++;  in acpi_os_release_object()
243 void *acpi_os_acquire_object(struct acpi_memory_list *cache)  in acpi_os_acquire_object()  argument
250 	if (!cache) {  in acpi_os_acquire_object()
259 	ACPI_MEM_TRACKING(cache->requests++);  in acpi_os_acquire_object()
263 	if (cache->list_head) {  in acpi_os_acquire_object()
267 		object = cache->list_head;  in acpi_os_acquire_object()
268 		cache->list_head = ACPI_GET_DESCRIPTOR_PTR(object);  in acpi_os_acquire_object()
270 		cache->current_depth--;  in acpi_os_acquire_object()
272 		ACPI_MEM_TRACKING(cache->hits++);  in acpi_os_acquire_object()
275 				  cache->list_name));  in acpi_os_acquire_object()
284 		memset(object, 0, cache->object_size);  in acpi_os_acquire_object()
288 		ACPI_MEM_TRACKING(cache->total_allocated++);  in acpi_os_acquire_object()
291 		if ((cache->total_allocated - cache->total_freed) >  in acpi_os_acquire_object()
292 		    cache->max_occupied) {  in acpi_os_acquire_object()
293 			cache->max_occupied =  in acpi_os_acquire_object()
294 			    cache->total_allocated - cache->total_freed;  in acpi_os_acquire_object()
305 		object = ACPI_ALLOCATE_ZEROED(cache->object_size);  in acpi_os_acquire_object()