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From: "Michal Koutný" <mkoutny-IBi9RG/b67k@public.gmane.org>
To: Yafang Shao <laoar.shao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org,
	hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] cgroup: minor optimization around the usage of cur_tasks_head
Date: Wed, 26 Jan 2022 16:54:37 +0100	[thread overview]
Message-ID: <20220126155437.GD2516@blackbody.suse.cz> (raw)
In-Reply-To: <20220126141705.6497-1-laoar.shao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Hello Yafang.

On Wed, Jan 26, 2022 at 02:17:05PM +0000, Yafang Shao <laoar.shao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> As the usage of cur_tasks_head is within the function
> css_task_iter_advance(), we can make it as a local variable. That could
> make it more clear and easier to understand. Another benefit is we don't
> need to carry it in css_task_iter.

It looks correct. When refactoring in the sake of understandibility
(disputable :), wouldn't it be better to avoid the double-pointer arg
passed into css_task_iter_advance_css_set() and just return the new
cur_tasks_head (the input value doesn't seem relevant)?

Thanks,
Michal

  parent reply	other threads:[~2022-01-26 15:54 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-26 14:17 [PATCH] cgroup: minor optimization around the usage of cur_tasks_head Yafang Shao
     [not found] ` <20220126141705.6497-1-laoar.shao-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2022-01-26 15:54   ` Michal Koutný [this message]
2022-01-26 16:47   ` Tejun Heo

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