kmem_cache_t
kmem_cache_t *kmem_cache_create(char *name, size_t bufsize, size_t align,
void kmem_cache_destroy(kmem_cache_t *cache);
void *kmem_cache_alloc(kmem_cache_t *cache, int flags);
void kmem_cache_free(kmem_cache_t *cache, void *buf);
void kmem_cache_reap_soon(kmem_cache_t *);