1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index b77d3a2864ad..c788fa266470 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -83,6 +83,8 @@ static int ioat_dca_enabled = 1;
 module_param(ioat_dca_enabled, int, 0644);
 MODULE_PARM_DESC(ioat_dca_enabled, "control support of dca service (default: 1)");
 
+struct kmem_cache *ioat2_cache;
+
 #define DRV_NAME "ioatdma"
 
 static struct pci_driver ioat_pci_driver = {
@@ -182,15 +184,27 @@ static void __devexit ioat_remove(struct pci_dev *pdev)
 
 static int __init ioat_init_module(void)
 {
+        int err;
+
         pr_info("%s: Intel(R) QuickData Technology Driver %s\n",
                 DRV_NAME, IOAT_DMA_VERSION);
 
-        return pci_register_driver(&ioat_pci_driver);
+        ioat2_cache = kmem_cache_create("ioat2", sizeof(struct ioat_ring_ent),
+                                        0, SLAB_HWCACHE_ALIGN, NULL);
+        if (!ioat2_cache)
+                return -ENOMEM;
+
+        err = pci_register_driver(&ioat_pci_driver);
+        if (err)
+                kmem_cache_destroy(ioat2_cache);
+
+        return err;
 }
 module_init(ioat_init_module);
 
 static void __exit ioat_exit_module(void)
 {
         pci_unregister_driver(&ioat_pci_driver);
+        kmem_cache_destroy(ioat2_cache);
 }
 module_exit(ioat_exit_module);