mempool_free_slab  469 block/blk-core.c 				mempool_free_slab, request_cachep, q->node);
mempool_free_slab   41 include/linux/mempool.h void mempool_free_slab(void *element, void *pool_data);
mempool_free_slab   45 include/linux/mempool.h 	return mempool_create(min_nr, mempool_alloc_slab, mempool_free_slab,