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Date: Tue, 6 Jan 2026 08:03:50 -1000
From: Tejun Heo <tj@kernel.org>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Michal =?iso-8859-1?Q?Koutn=FD?= <mkoutny@suse.com>,
	cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
	David Laight <david.laight.linux@gmail.com>,
	Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH 1/4] cgroup: Eliminate cgrp_ancestor_storage in
 cgroup_root
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References: <20251217162744.352391-1-mkoutny@suse.com>
 <20251217162744.352391-2-mkoutny@suse.com>
 <4e2d8a58-a78f-46e3-81a1-342e571b4273@embeddedor.com>
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In-Reply-To: <4e2d8a58-a78f-46e3-81a1-342e571b4273@embeddedor.com>

On Tue, Jan 06, 2026 at 04:06:47PM +0900, Gustavo A. R. Silva wrote:
> Instead of the above anonymous struct, we can use the DECLARE_FLEX_ARRAY()
> helper here:
> 
> 		DECLARE_FLEX_ARRAY(struct cgroup, *ancestors);

Michal, can you update the patch with the above and resend?

Thanks.

-- 
tejun