Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Thu, 26 May 2022 09:53:47 +0800
From:   Muchun Song <songmuchun@bytedance.com>
To:     Roman Gushchin <roman.gushchin@linux.dev>
Cc:     Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org,
        Dave Chinner <dchinner@redhat.com>,
        linux-kernel@vger.kernel.org,
        Kent Overstreet <kent.overstreet@gmail.com>,
        Hillf Danton <hdanton@sina.com>,
        Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: Re: [PATCH v4 1/6] mm: memcontrol: introduce mem_cgroup_ino() and
 mem_cgroup_get_from_ino()
Message-ID: <Yo7dqwUZhpe2amtF@FVFYT0MHHV2J.googleapis.com>
References: <20220525202600.2910982-1-roman.gushchin@linux.dev>
 <20220525202600.2910982-2-roman.gushchin@linux.dev>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220525202600.2910982-2-roman.gushchin@linux.dev>
Precedence: bulk

On Wed, May 25, 2022 at 01:25:55PM -0700, Roman Gushchin wrote:
> Shrinker debugfs requires a way to represent memory cgroups without
> using full paths, both for displaying information and getting input
> from a user.
> 
> Cgroup inode number is a perfect way, already used by bpf.
> 
> This commit adds a couple of helper functions which will be used
> to handle memcg-aware shrinkers.
> 
> Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>

Acked-by: Muchun Song <songmuchun@bytedance.com>

Thanks.