IPoIB: use kvzalloc to allocate an array of bucket pointers

This table by default takes 32KiB which is 3rd memory order. Meanwhile,
this memory is not aimed for DMA operation and could be safely allocated
by vmalloc.

Signed-off-by: Jan Dakinevich <jan.dakinevich@virtuozzo.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 9bcd487e51c29a6e05285a03a99be197fd12fd37..012c9e3970aced4aaf00974d4fcb59ec109ef3ea 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1530,7 +1530,7 @@ static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv)
                return -ENOMEM;
        set_bit(IPOIB_STOP_NEIGH_GC, &priv->flags);
        size = roundup_pow_of_two(arp_tbl.gc_thresh3);
-       buckets = kcalloc(size, sizeof(*buckets), GFP_KERNEL);
+       buckets = kvcalloc(size, sizeof(*buckets), GFP_KERNEL);
        if (!buckets) {
                kfree(htbl);
                return -ENOMEM;
@@ -1558,7 +1558,7 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
        struct ipoib_neigh __rcu **buckets = htbl->buckets;
        struct ipoib_neigh_table *ntbl = htbl->ntbl;
 
-       kfree(buckets);
+       kvfree(buckets);
        kfree(htbl);
        complete(&ntbl->deleted);
 }