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References: <20220805033838.1714674-1-yang.yang29@zte.com.cn>
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From:   Joonsoo Kim <js1304@gmail.com>
Date:   Wed, 14 Sep 2022 23:36:24 +0900
Message-ID: <CAAmzW4NvQ+hsSoXFgXAsbp+mKHaxPA2PmjK4Hu-5Z+pB6RuwnA@mail.gmail.com>
Subject: Re: [PATCH] filemap: Make the accounting of thrashing more consistent
To:     cgel.zte@gmail.com
Cc:     akpm@linux-foundation.org, bsingharora@gmail.com, corbet@lwn.net,
        willy@infradead.org, yang.yang29@zte.com.cn, david@redhat.com,
        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
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2022=EB=85=84 8=EC=9B=94 5=EC=9D=BC (=EA=B8=88) =EC=98=A4=ED=9B=84 12:39, <=
cgel.zte@gmail.com>=EB=8B=98=EC=9D=B4 =EC=9E=91=EC=84=B1:
>
> From: Yang Yang <yang.yang29@zte.com.cn>
>
> Once upon a time, we only support accounting thrashing of page cache.
> Then Joonsoo introduced workingset detection for anonymous pages and
> we gained the ability to account thrashing of them[1].
>
> So let delayacct account both the thrashing of page cache and anonymous
> pages, this could make the codes more consistent and simpler.
>
> [1] commit aae466b0052e ("mm/swap: implement workingset detection for ano=
nymous LRU")
>
> Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
> Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>

Acked-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>