linux-kernel - Re: [PATCH 3/6] mm/zswap: stop lru list shrinking when encounter warm region

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Message-ID: <CAKEwX=OSrj5nwspuO7jyR4h5iZkKsP4P-mQbZt67OC1G=wgLYQ@mail.gmail.com>
Date: Thu, 1 Feb 2024 10:10:12 -0800
From: Nhat Pham <nphamcs@...il.com>
To: Chengming Zhou <zhouchengming@...edance.com>
Cc: Johannes Weiner <hannes@...xchg.org>, Andrew Morton <akpm@...ux-foundation.org>, 
	Yosry Ahmed <yosryahmed@...gle.com>, linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 3/6] mm/zswap: stop lru list shrinking when encounter warm region

On Thu, Feb 1, 2024 at 7:50 AM Chengming Zhou
<zhouchengming@...edance.com> wrote:
>
> When the shrinker encounter an existing folio in swap cache, it means
> we are shrinking into the warmer region. We should terminate shrinking
> if we're in the dynamic shrinker context.
>
> This patch add LRU_STOP to support this, to avoid overshrinking.
>
> Signed-off-by: Chengming Zhou <zhouchengming@...edance.com>

Nice!
Acked-by: Nhat Pham <nphamcs@...il.com>