[PATCH 1/3] IB/ehca: Replace vmalloc with kmalloc

From: Stefan Roscher
Date: Tue Apr 21 2009 - 11:17:00 EST


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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