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authorKirill Tkhai <ktkhai@virtuozzo.com>2018-03-22 12:45:40 +0300
committerDavid S. Miller <davem@davemloft.net>2018-03-22 15:12:56 -0400
commitd9ff3049739e349b5380b96226f9ad766741773d (patch)
tree0b09f0de0ff410fef91ad0224a241b322bd0eb05 /include
parent5796ef75ec7b6019eac88f66751d663d537a5cd3 (diff)
downloadlinux-d9ff3049739e349b5380b96226f9ad766741773d.tar.bz2
net: Replace ip_ra_lock with per-net mutex
Since ra_chain is per-net, we may use per-net mutexes to protect them in ip_ra_control(). This improves scalability. Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/netns/ipv4.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 97d7ee6667c7..8491bc9c86b1 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -50,6 +50,7 @@ struct netns_ipv4 {
struct ipv4_devconf *devconf_all;
struct ipv4_devconf *devconf_dflt;
struct ip_ra_chain __rcu *ra_chain;
+ struct mutex ra_mutex;
#ifdef CONFIG_IP_MULTIPLE_TABLES
struct fib_rules_ops *rules_ops;
bool fib_has_custom_rules;