linux-kernel - Re: [PATCH v3 8/8] memcg: use proper type for mod_memcg

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Message-ID: <CABdmKX0eC7YFbcfjW+1VtPVRfhExxZHiyQ0Dv-oPiPD3HcUfFw@mail.gmail.com>
Date: Tue, 30 Apr 2024 11:09:11 -0700
From: "T.J. Mercier" <tjmercier@...gle.com>
To: Shakeel Butt <shakeel.butt@...ux.dev>
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>, Yosry Ahmed <yosryahmed@...gle.com>, kernel-team@...a.com, 
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 8/8] memcg: use proper type for mod_memcg_state

On Mon, Apr 29, 2024 at 11:06 PM Shakeel Butt <shakeel.butt@...ux.dev> wrote:
>
> The memcg stats update functions can take arbitrary integer but the
> only input which make sense is enum memcg_stat_item and we don't
> want these functions to be called with arbitrary integer, so replace
> the parameter type with enum memcg_stat_item and compiler will be able
> to warn if memcg stat update functions are called with incorrect index
> value.
>
> Signed-off-by: Shakeel Butt <shakeel.butt@...ux.dev>

Reviewed-by: T.J. Mercier <tjmercier@...gle.com>