linux-kernel - Re: [PATCH] psi: dont alloc memory for psi by default

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Message-ID: <Yo/NAytP6mnmeW2M@slm.duckdns.org>
Date:   Thu, 26 May 2022 08:54:59 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Chen Wandun <chenwandun@...wei.com>, lizefan.x@...edance.com,
        surenb@...gle.com, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] psi: dont alloc memory for psi by default

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@...wei.com>
> 
> Looks good to me,
> Acked-by: Johannes Weiner <hannes@...xchg.org>
> 
> Tejun, would you mind taking this through the cgroup tree?

Will do once rc1 drops.

Thanks.

-- 
tejun