diff --git a/drivers/message/i2o/i2o_block.c b/drivers/message/i2o/i2o_block.c
index b09fb63..7d4c549 100644
--- a/drivers/message/i2o/i2o_block.c
+++ b/drivers/message/i2o/i2o_block.c
@@ -1179,10 +1179,9 @@
 		goto exit;
 	}
 
-	i2o_blk_req_pool.pool = mempool_create(I2O_BLOCK_REQ_MEMPOOL_SIZE,
-					       mempool_alloc_slab,
-					       mempool_free_slab,
-					       i2o_blk_req_pool.slab);
+	i2o_blk_req_pool.pool =
+		mempool_create_slab_pool(I2O_BLOCK_REQ_MEMPOOL_SIZE,
+					 i2o_blk_req_pool.slab);
 	if (!i2o_blk_req_pool.pool) {
 		osm_err("can't init request mempool\n");
 		rc = -ENOMEM;