Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
Sender: Tejun Heo <htejun@gmail.com>
Date:   Thu, 26 May 2022 08:54:59 -1000
From:   Tejun Heo <tj@kernel.org>
To:     Johannes Weiner <hannes@cmpxchg.org>
Cc:     Chen Wandun <chenwandun@huawei.com>, lizefan.x@bytedance.com,
        surenb@google.com, cgroups@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] psi: dont alloc memory for psi by default
Message-ID: <Yo/NAytP6mnmeW2M@slm.duckdns.org>
References: <20220526122656.256274-1-chenwandun@huawei.com>
 <Yo+mXVefsRSxjTMY@cmpxchg.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Yo+mXVefsRSxjTMY@cmpxchg.org>
Precedence: bulk

On Thu, May 26, 2022 at 12:10:05PM -0400, Johannes Weiner wrote:
> On Thu, May 26, 2022 at 08:26:56PM +0800, Chen Wandun wrote:
> > Memory about struct psi_group is allocated by default for
> > each cgroup even if psi_disabled is true, in this case, these
> > allocated memory is waste, so alloc memory for struct psi_group
> > only when psi_disabled is false.
> > 
> > Signed-off-by: Chen Wandun <chenwandun@huawei.com>
> 
> Looks good to me,
> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
> 
> Tejun, would you mind taking this through the cgroup tree?

Will do once rc1 drops.

Thanks.

-- 
tejun