| #ifndef IOU_ALLOC_CACHE_H |
| #define IOU_ALLOC_CACHE_H |
| * Don't allow the cache to grow beyond this size. |
| #define IO_ALLOC_CACHE_MAX 128 |
| static inline bool io_alloc_cache_put(struct io_alloc_cache *cache, |
| if (cache->nr_cached < cache->max_cached) { |
| if (!kasan_mempool_poison_object(entry)) |
| cache->entries[cache->nr_cached++] = entry; |
| static inline void *io_alloc_cache_get(struct io_alloc_cache *cache) |
| void *entry = cache->entries[--cache->nr_cached]; |
| kasan_mempool_unpoison_object(entry, cache->elem_size); |
| /* returns false if the cache was initialized properly */ |
| static inline bool io_alloc_cache_init(struct io_alloc_cache *cache, |
| unsigned max_nr, size_t size) |
| cache->entries = kvmalloc_array(max_nr, sizeof(void *), GFP_KERNEL); |
| cache->max_cached = max_nr; |
| static inline void io_alloc_cache_free(struct io_alloc_cache *cache, |
| void (*free)(const void *)) |
| while ((entry = io_alloc_cache_get(cache)) != NULL) |