diff options
| author |  Eric Dumazet <edumazet@google.com>
| 2022-02-07 20:50:31 -0800 |
|---|---|---|
| committer |  Jakub Kicinski <kuba@kernel.org>
| 2022-02-08 20:41:33 -0800 |
| commit | fea7b201320ca222d532398685d23db2b8d55558 (patch) | |
| tree | 667f66cd8596517277be3f5c769ac200e071fa83 /net/ipv4/nexthop.c | |
| parent | ipv6/addrconf: switch to per netns inet6_addr_lst hash table (diff) | |
| download | linux-fea7b201320ca222d532398685d23db2b8d55558.tar.gz linux-fea7b201320ca222d532398685d23db2b8d55558.tar.bz2 linux-fea7b201320ca222d532398685d23db2b8d55558.zip | |
nexthop: change nexthop_net_exit() to nexthop_net_exit_batch()
cleanup_net() is competing with other rtnl users.
nexthop_net_exit() seems a good candidate for exit_batch(),
as this gives chance for cleanup_net() to progress much faster,
holding rtnl a bit longer.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/nexthop.c')
| -rw-r--r-- | net/ipv4/nexthop.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index eeafeccebb8d..e459a391e607 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -3733,12 +3733,16 @@ out: } EXPORT_SYMBOL(nexthop_res_grp_activity_update); -static void __net_exit nexthop_net_exit(struct net *net) +static void __net_exit nexthop_net_exit_batch(struct list_head *net_list) { + struct net *net; + rtnl_lock(); - flush_all_nexthops(net); + list_for_each_entry(net, net_list, exit_list) { + flush_all_nexthops(net); + kfree(net->nexthop.devhash); + } rtnl_unlock(); - kfree(net->nexthop.devhash); } static int __net_init nexthop_net_init(struct net *net) @@ -3756,7 +3760,7 @@ static int __net_init nexthop_net_init(struct net *net) static struct pernet_operations nexthop_net_ops = { .init = nexthop_net_init, - .exit = nexthop_net_exit, + .exit_batch = nexthop_net_exit_batch, }; static int __init nexthop_init(void) |