IB/ehca: Replace vmalloc() with kmalloc() for queue allocation

To improve performance of driver resource allocation, replace
vmalloc() calls with kmalloc().

Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index c3a3284..a260559 100644 (file)
--- 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;
 }