umem_cache
{ "umem_cache", "?", "print a umem cache", umem_cache },
struct umem_cache umv_cache; /* the cache we're operating on */
extern int umem_cache(uintptr_t, uint_t, int, const mdb_arg_t *);
struct umem_cache; /* cache structure is opaque to umem clients */
typedef struct umem_cache umem_cache_t;
struct umem_cache *slab_cache; /* controlling cache */