This reduces size of the netns_ct structure, which itself is embedded
in struct net.
First two patches move two helper related settings to net_generic,
these are only accessed when a new connection is added.
Patches 3 and 4 move the ct and expect counter to net_generic too.
While these are used from packet path, they are not accessed when
conntack finds an existing entry.
This also makes netns_ct a read-mostly structure, at this time each
newly accepted conntrack dirties the first netns_ct cacheline for other
cpus.
Last patch converts a few sysctls to u8. Most conntrack sysctls are
timeouts, so these need to be kept as ints.
Florian Westphal (5):
netfilter: conntrack: move autoassign warning member to net_generic
data
netfilter: conntrack: move autoassign_helper sysctl to net_generic
data
netfilter: conntrack: move expect counter to net_generic data
netfilter: conntrack: move ct counter to net_generic data
netfilter: conntrack: convert sysctls to u8
include/net/netfilter/nf_conntrack.h | 8 +++
include/net/netns/conntrack.h | 23 ++++-----
net/netfilter/nf_conntrack_core.c | 46 ++++++++++++-----
net/netfilter/nf_conntrack_expect.c | 22 ++++++---
net/netfilter/nf_conntrack_helper.c | 15 ++++--
net/netfilter/nf_conntrack_netlink.c | 5 +-
net/netfilter/nf_conntrack_proto_tcp.c | 34 ++++++-------
net/netfilter/nf_conntrack_standalone.c | 66 +++++++++++++------------
8 files changed, 132 insertions(+), 87 deletions(-)
--
2.26.3
