Re: [PATCH net-next] inetpeer: speed up inetpeer_invalidate_tree()
From: David Miller <davem@davemloft.net>
Date: 2017-09-28 16:41:18
From: Eric Dumazet <redacted> Date: Mon, 25 Sep 2017 09:14:14 -0700
From: Eric Dumazet <edumazet@google.com>
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>Applied, thanks Eric.