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From: Stefan Roscher <ossrosch@linux.vnet.ibm.com>
To: "LinuxPPC-Dev" <linuxppc-dev@ozlabs.org>,
       LKML <linux-kernel@vger.kernel.org>,
       "OF-EWG" <ewg@lists.openfabrics.org>, Roland Dreier <rolandd@cisco.com>
Subject: [PATCH 1/3] IB/ehca: Replace vmalloc with kmalloc
Date: Tue, 21 Apr 2009 17:16:44 +0200
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From: Anton Blanchard <antonb at au1.ibm.com>

To improve performance of driver ressource allocation,
replace the vmalloc() call with kmalloc().

Signed-off-by: Stefan Roscher <stefan.roscher at de.ibm.com>
---
 drivers/infiniband/hw/ehca/ipz_pt_fn.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index c3a3284..a260559 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
@@ -220,7 +220,7 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue *queue,
 	queue->small_page = NULL;
 
 	/* allocate queue page pointers */
-	queue->queue_pages = vmalloc(nr_of_pages * sizeof(void *));
+	queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL);
 	if (!queue->queue_pages) {
 		ehca_gen_err("Couldn't allocate queue page list");
 		return 0;
@@ -240,7 +240,7 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue *queue,
 ipz_queue_ctor_exit0:
 	ehca_gen_err("Couldn't alloc pages queue=%p "
 		 "nr_of_pages=%x",  queue, nr_of_pages);
-	vfree(queue->queue_pages);
+	kfree(queue->queue_pages);
 
 	return 0;
 }
@@ -262,7 +262,7 @@ int ipz_queue_dtor(struct ehca_pd *pd, struct ipz_queue *queue)
 			free_page((unsigned long)queue->queue_pages[i]);
 	}
 
-	vfree(queue->queue_pages);
+	kfree(queue->queue_pages);
 
 	return 1;
 }
-- 
1.5.5

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