linux-kernel - Re: [PATCH v3 4/8] memcg: reduce memory for the lruvec and memcg stats

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Message-ID: <xr63kemkwanxcesjqy7as32q2oxjlehkti4ruhedea3mm56wby@p7etbh4yibrb>
Date: Tue, 30 Apr 2024 10:49:19 -0700
From: Shakeel Butt <shakeel.butt@...ux.dev>
To: Yosry Ahmed <yosryahmed@...gle.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>, 
	Johannes Weiner <hannes@...xchg.org>, Michal Hocko <mhocko@...nel.org>, 
	Roman Gushchin <roman.gushchin@...ux.dev>, Muchun Song <muchun.song@...ux.dev>, 
	"T . J . Mercier" <tjmercier@...gle.com>, kernel-team@...a.com, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/8] memcg: reduce memory for the lruvec and memcg
 stats

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@...ux.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@...ux.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.