linux-kernel - Re: [PATCH -next] sched: Use struct_size() helper in task_numa

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Message-ID: <YdxZhsQ2NQ3dpUVR@hirez.programming.kicks-ass.net>
Date:   Mon, 10 Jan 2022 17:06:30 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Xiu Jianfeng <xiujianfeng@...wei.com>
Cc:     mingo@...hat.com, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, gustavoars@...nel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH -next] sched: Use struct_size() helper in
 task_numa_group()

On Fri, Jan 07, 2022 at 10:52:12AM +0800, Xiu Jianfeng wrote:
> Make use of struct_size() helper instead of an open-coded calculation.
> There is no functional change in this patch.

Why ?!? This makes something that was trivial to read into something
weird.