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authorChris Mi <chrism@mellanox.com>2017-08-30 02:31:59 -0400
committerDavid S. Miller <davem@davemloft.net>2017-08-30 14:38:51 -0700
commit65a206c01e8e7ffe971477a36419422099216eff (patch)
treeea72c10c42996dc7d070968d45d86880fde71fac /net/netlink
parentnet/sched: Change cls_flower to use IDR (diff)
downloadlinux-dev-65a206c01e8e7ffe971477a36419422099216eff.tar.xz
linux-dev-65a206c01e8e7ffe971477a36419422099216eff.zip
net/sched: Change act_api and act_xxx modules to use IDR
Typically, each TC filter has its own action. All the actions of the same type are saved in its hash table. But the hash buckets are too small that it degrades to a list. And the performance is greatly affected. For example, it takes about 0m11.914s to insert 64K rules. If we convert the hash table to IDR, it only takes about 0m1.500s. The improvement is huge. But please note that the test result is based on previous patch that cls_flower uses IDR. Signed-off-by: Chris Mi <chrism@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink')
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