netdev - Re: [PATCH net-next] inetpeer: speed up inetpeer_invalidate

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Message-Id: <20170928.094118.1703457698817122114.davem@davemloft.net>
Date:   Thu, 28 Sep 2017 09:41:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     eric.dumazet@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net-next] inetpeer: speed up inetpeer_invalidate_tree()

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 25 Sep 2017 09:14:14 -0700

> From: Eric Dumazet <edumazet@...gle.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@...gle.com>

Applied, thanks Eric.