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Date: Wed, 17 Apr 2024 14:24:44 +0200
From: Michal Hocko <mhocko@suse.com>
To: lipeifeng@oppo.com
Cc: hannes@cmpxchg.org, shakeel.butt@linux.dev, muchun.song@linux.dev,
	cgroups@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: fix the comment error of memcontrol.h
Message-ID: <Zh-_jOtSyv6DoETP@tiehlicka>
References: <20240417121645.25355-1-lipeifeng@oppo.com>
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In-Reply-To: <20240417121645.25355-1-lipeifeng@oppo.com>

On Wed 17-04-24 20:16:45, lipeifeng@oppo.com wrote:
> From: Peifeng Li <lipeifeng@oppo.com>
> 
> Signed-off-by: Peifeng Li <lipeifeng@oppo.com>
> ---
>  include/linux/memcontrol.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
> index 394fd0a887ae..07d08be706bf 100644
> --- a/include/linux/memcontrol.h
> +++ b/include/linux/memcontrol.h
> @@ -1679,7 +1679,7 @@ static inline bool folio_matches_lruvec(struct folio *folio,
>  	       lruvec_memcg(lruvec) == folio_memcg(folio);
>  }
>  
> -/* Don't lock again iff page's lruvec locked */
> +/* Don't lock again if page's lruvec locked */

Not a typo. iff stands for if and only if

-- 
Michal Hocko
SUSE Labs