linux-kernel - Re: [PATCH v2 4/7] rbtree, perf: Use new rbtree helpers

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Date:   Mon, 25 Jan 2021 10:20:52 -0500
From:   Tejun Heo <tj@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     linux-kernel@...r.kernel.org, walken@...gle.com, dave@...olabs.net,
        mingo@...nel.org, tglx@...utronix.de, oleg@...hat.com,
        irogers@...gle.com, juri.lelli@...hat.com,
        vincent.guittot@...aro.org
Subject: Re: [PATCH v2 4/7] rbtree, perf: Use new rbtree helpers

On Mon, Jan 25, 2021 at 04:09:57PM +0100, Peter Zijlstra wrote:
> Reduce rbtree boiler plate by using the new helpers.
> 
> One noteworthy change is unification of the various (partial) compare
> functions. We construct a subtree match by forcing the sub-order to
> always match, see __group_cmp().
> 
> Due to 'const' we had to touch cgroup_id().
> 
> Cc: Tejun Heo <tj@...nel.org>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun