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Eric Dumazet ea781f197d netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and get rid of call_rcu() ... Use "hlist_nulls" infrastructure we added in 2.6.29 for RCUification of UDP & TCP. This permits an easy conversion from call_rcu() based hash lists to a SLAB_DESTROY_BY_RCU one. Avoiding call_rcu() delay at nf_conn freeing time has numerous gains. First, it doesnt fill RCU queues (up to 10000 elements per cpu). This reduces OOM possibility, if queued elements are not taken into account This reduces latency problems when RCU queue size hits hilimit and triggers emergency mode. - It allows fast reuse of just freed elements, permitting better use of CPU cache. - We delete rcu_head from "struct nf_conn", shrinking size of this structure by 8 or 16 bytes. This patch only takes care of "struct nf_conn". call_rcu() is still used for less critical conntrack parts, that may be converted later if necessary. Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: Patrick McHardy <kaber@trash.net>		16 years ago
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conntrack.h	netfilter: nf_conntrack: use SLAB_DESTROY_BY_RCU and get rid of call_rcu()	16 years ago
core.h	…
dccp.h	…
generic.h	…
hash.h	…
ipv4.h	netns: ipmr: declare reg_vif_num per-namespace	16 years ago
ipv6.h	netns: ip6mr: declare reg_vif_num per-namespace	16 years ago
mib.h	…
packet.h	…
unix.h	…
x_tables.h	…
xfrm.h	…