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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>
This commit is contained in:
Jan Dakinevich 2018-07-09 16:51:03 +03:00 committed by Jason Gunthorpe
parent c012691508
commit 259e19145e
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -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);
}