Received-SPF: pass (google.com: domain of linux-kernel+bounces-164554-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249;
Date: Tue, 30 Apr 2024 10:49:19 -0700
From: Shakeel Butt <shakeel.butt@linux.dev>
To: Yosry Ahmed <yosryahmed@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, 
	Johannes Weiner <hannes@cmpxchg.org>, Michal Hocko <mhocko@kernel.org>, 
	Roman Gushchin <roman.gushchin@linux.dev>, Muchun Song <muchun.song@linux.dev>, 
	"T . J . Mercier" <tjmercier@google.com>, kernel-team@meta.com, linux-mm@kvack.org, 
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 4/8] memcg: reduce memory for the lruvec and memcg
 stats
Message-ID: <xr63kemkwanxcesjqy7as32q2oxjlehkti4ruhedea3mm56wby@p7etbh4yibrb>
References: <20240430060612.2171650-1-shakeel.butt@linux.dev>
 <20240430060612.2171650-5-shakeel.butt@linux.dev>
 <CAJD7tkZnXY+Nbip8e6c7WC4qoYC21x=MHop_hT4NqYLKL8Fp6Q@mail.gmail.com>
 <u3okwix7ovvzzfossbmfalwpq23qa3bmv3secg7tpjk7ghyemq@w3ngvr526rc2>
 <CAJD7tkZh-bLHQhaPsU7h1WUmK3xwHVoacVcR=P55i+7d0FzfFw@mail.gmail.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <CAJD7tkZh-bLHQhaPsU7h1WUmK3xwHVoacVcR=P55i+7d0FzfFw@mail.gmail.com>

On Tue, Apr 30, 2024 at 10:41:01AM -0700, Yosry Ahmed wrote:
> On Tue, Apr 30, 2024 at 10:38 AM Shakeel Butt <shakeel.butt@linux.dev> wrote:
> >
> > On Tue, Apr 30, 2024 at 01:41:38AM -0700, Yosry Ahmed wrote:
> > > On Mon, Apr 29, 2024 at 11:06 PM Shakeel Butt <shakeel.butt@linux.dev> wrote:
[...]
> > >
> > > nit: we could return here if (i < 0) like you did in
> > > memcg_page_state() and others below, less indentation. Same for
> > > lruvec_page_state_local().
> > >
> >
> > I have fixed this in the following patch which adds warnings.
> 
> Yeah I saw that after reviewing this one.
> 
> FWIW, *if* you respin this, fixing this here would reduce the diff
> noise in the patch that adds the warnings.

Yeah, if I need to respin, I will change this.