inetpeer: speed up inetpeer_invalidate_tree()

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As measured in my prior patch ("sch_netem: faster rb tree removal"),
rbtree_postorder_for_each_entry_safe() is nice looking but much slower
than using rb_next() directly, except when tree is small enough
to fit in CPU caches (then the cost is the same)

From: Eric Dumazet <edumazet@google.com>

Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2017-09-25 09:14:14 -07:00 • committed by David S. Miller

parent a2e4a21906

commit 8f1975e31d

1 changed files with 7 additions and 4 deletions

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11

net/ipv4/inetpeer.c

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