[openib-general] [PATCH] ib_mad.c: Use mad cache for receive

[Hal Rosenstock]

ib_mad.c: Use mad cache for receive

Index: ib_mad.c
===================================================================
--- ib_mad.c	(revision 849)
+++ ib_mad.c	(working copy)
@@ -374,11 +374,11 @@
 	 */
 	list_for_each_entry(entry, &mad_recv_wc->recv_buf->list, list) {
 		/* Free previous receive buffer */
-		kfree(buffer);
+		kmem_cache_free(ib_mad_cache, buffer);
 		buffer = (void *)entry - sizeof(struct ib_mad_private_header);
 	}
 	/* Free last buffer */
-	kfree(buffer);
+	kmem_cache_free(ib_mad_cache, buffer);
 }
 EXPORT_SYMBOL(ib_free_recv_mad);
 
@@ -959,9 +959,9 @@
 	 * By prepending this header, there is one rather 
 	 * than two memory allocations.
 	 */
-	mad_priv = kmalloc(sizeof *mad_priv,
-		       	   (in_atomic() || irqs_disabled()) ?
-			   GFP_ATOMIC : GFP_KERNEL);
+	mad_priv = kmem_cache_alloc(ib_mad_cache,
+				    (in_atomic() || irqs_disabled()) ?
+				    GFP_ATOMIC : GFP_KERNEL);
 	if (!mad_priv) {
 		printk(KERN_ERR "No memory for receive buffer\n");
 		return -ENOMEM;
@@ -1005,7 +1005,7 @@
 		port_priv->recv_posted_mad_count[convert_qpnum(qp->qp_num)]--;
 		spin_unlock_irqrestore(&port_priv->recv_list_lock, flags);
 
-		kfree(mad_priv);
+		kmem_cache_free(ib_mad_cache, mad_priv);
 		printk(KERN_NOTICE "ib_post_recv failed\n");
 		return -EINVAL;
 	}