36 	struct acpi_memory_list *cache;  in acpi_os_create_cache()  local
46 	cache = acpi_os_allocate(sizeof(struct acpi_memory_list));  in acpi_os_create_cache()
47 	if (!cache) {  in acpi_os_create_cache()
53 	memset(cache, 0, sizeof(struct acpi_memory_list));  in acpi_os_create_cache()
54 	cache->list_name = cache_name;  in acpi_os_create_cache()
55 	cache->object_size = object_size;  in acpi_os_create_cache()
56 	cache->max_depth = max_depth;  in acpi_os_create_cache()
58 	*return_cache = cache;  in acpi_os_create_cache()
74 acpi_status acpi_os_purge_cache(struct acpi_memory_list *cache)  in acpi_os_purge_cache()  argument
81 	if (!cache) {  in acpi_os_purge_cache()
92 	while (cache->list_head) {  in acpi_os_purge_cache()
96 		next = ACPI_GET_DESCRIPTOR_PTR(cache->list_head);  in acpi_os_purge_cache()
97 		ACPI_FREE(cache->list_head);  in acpi_os_purge_cache()
99 		cache->list_head = next;  in acpi_os_purge_cache()
100 		cache->current_depth--;  in acpi_os_purge_cache()
120 acpi_status acpi_os_delete_cache(struct acpi_memory_list *cache)  in acpi_os_delete_cache()  argument
128 	status = acpi_os_purge_cache(cache);  in acpi_os_delete_cache()
135 	acpi_os_free(cache);  in acpi_os_delete_cache()
153 acpi_status acpi_os_release_object(struct acpi_memory_list *cache, void *object)  in acpi_os_release_object()  argument
159 	if (!cache || !object) {  in acpi_os_release_object()
165 	if (cache->current_depth >= cache->max_depth) {  in acpi_os_release_object()
167 		ACPI_MEM_TRACKING(cache->total_freed++);  in acpi_os_release_object()
180 		memset(object, 0xCA, cache->object_size);  in acpi_os_release_object()
185 		ACPI_SET_DESCRIPTOR_PTR(object, cache->list_head);  in acpi_os_release_object()
186 		cache->list_head = object;  in acpi_os_release_object()
187 		cache->current_depth++;  in acpi_os_release_object()
208 void *acpi_os_acquire_object(struct acpi_memory_list *cache)  in acpi_os_acquire_object()  argument
215 	if (!cache) {  in acpi_os_acquire_object()
224 	ACPI_MEM_TRACKING(cache->requests++);  in acpi_os_acquire_object()
228 	if (cache->list_head) {  in acpi_os_acquire_object()
232 		object = cache->list_head;  in acpi_os_acquire_object()
233 		cache->list_head = ACPI_GET_DESCRIPTOR_PTR(object);  in acpi_os_acquire_object()
235 		cache->current_depth--;  in acpi_os_acquire_object()
237 		ACPI_MEM_TRACKING(cache->hits++);  in acpi_os_acquire_object()
241 				      cache->list_name));  in acpi_os_acquire_object()
250 		memset(object, 0, cache->object_size);  in acpi_os_acquire_object()
254 		ACPI_MEM_TRACKING(cache->total_allocated++);  in acpi_os_acquire_object()
257 		if ((cache->total_allocated - cache->total_freed) >  in acpi_os_acquire_object()
258 		    cache->max_occupied) {  in acpi_os_acquire_object()
259 			cache->max_occupied =  in acpi_os_acquire_object()
260 			    cache->total_allocated - cache->total_freed;  in acpi_os_acquire_object()
271 		object = ACPI_ALLOCATE_ZEROED(cache->object_size);  in acpi_os_acquire_object()