linux-kernel - Re: [PATCH V4 3/4] mm: add max swappiness arg to lru

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Message-Id: <DB64B965-2E54-401E-86F9-8F79C50B21C9@linux.dev>
Date: Mon, 21 Apr 2025 17:35:34 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Zhongkun He <hezhongkun.hzk@...edance.com>
Cc: akpm@...ux-foundation.org,
 hannes@...xchg.org,
 mhocko@...e.com,
 yosry.ahmed@...ux.dev,
 yuzhao@...gle.com,
 linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 3/4] mm: add max swappiness arg to lru_gen for
 anonymous memory only



> On Apr 21, 2025, at 17:13, Zhongkun He <hezhongkun.hzk@...edance.com> wrote:
> 
> The MGLRU already supports reclaiming only from anonymous memory
> via the /sys/kernel/debug/lru_gen interface. Now, memory.reclaim
> also supports the swappiness=max parameter to enable reclaiming
> solely from anonymous memory. To unify the semantics of proactive
> reclaiming from anonymous folios, the max parameter is introduced.
> 
> Signed-off-by: Zhongkun He <hezhongkun.hzk@...edance.com>

Acked-by: Muchun Song <muchun.song@...ux.dev>

Thanks.