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>
Cc: alexschm@de.ibm.com, fenkes@de.ibm.com,
stefan.roscher@de.ibm.com, raisch@de.ibm.com
Subject: [PATCH 1/3] IB/ehca: Replace vmalloc with kmalloc
Date: Tue, 21 Apr 2009 17:16:44 +0200 [thread overview]
Message-ID: <200904211716.45245.ossrosch@linux.vnet.ibm.com> (raw)
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
next reply other threads:[~2009-04-21 15:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-21 15:16 Stefan Roscher [this message]
2009-04-21 17:34 ` [PATCH 1/3] IB/ehca: Replace vmalloc with kmalloc Roland Dreier
2009-04-22 9:11 ` Stefan Roscher
2009-04-22 14:02 ` Stefan Roscher
2009-04-22 14:10 ` michael
2009-04-22 16:00 ` Stefan Roscher
2009-04-22 16:12 ` michael
2009-04-28 13:07 ` [ewg] " Alexander Schmidt
2009-04-28 14:01 ` Roland Dreier
2009-04-28 14:13 ` Alexander Schmidt
2009-04-28 15:12 ` Dave Hansen
2009-04-28 16:02 ` Stefan Roscher
2009-04-28 16:45 ` Roland Dreier
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