redonkable/alistair23-linux
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IPoIB: use kvzalloc to allocate an array of bucket pointers

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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);
}