linux-kernel - Re: [PATCH 1/2] cgroup: rstat: use same convention to assign cgroup_base

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Date:   Wed, 12 Jan 2022 09:55:44 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Wei Yang <richard.weiyang@...il.com>
Cc:     lizefan.x@...edance.com, hannes@...xchg.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] cgroup: rstat: use same convention to assign
 cgroup_base_stat

On Sat, Jan 08, 2022 at 12:38:16AM +0000, Wei Yang wrote:
> In function cgroup_base_stat_flush(), we update cgroup_base_stat by
> getting rstatc->bstat and adjust delta to related fields.
> 
> There are two convention to assign cgroup_base_stat in this function:
> 
>   * rstat2 = rstat1
>   * rstat2.cputime = rstat1.cputime
> 
> The second convention may make audience think just field "cputime" is
> updated, while cputime is the only field in cgroup_base_stat.
> 
> Let's use the same convention to eliminate this confusion.
> 
> Signed-off-by: Wei Yang <richard.weiyang@...il.com>

Applied 1-2 to cgroup/for-5.18.

Thanks.

-- 
tejun