lkml.org 
[lkml]   [2009]   [Apr]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/3] IB/ehca: Replace vmalloc with kmalloc
Date
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


\
 
 \ /
  Last update: 2009-04-21 17:19    [W:1.183 / U:0.848 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site