linux-kernel - Re: [PATCH] mm: vmscan: fix extreme overreclaim and swap floods

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Message-Id: <20220802170619.250e1a0b475222a82e7077b3@linux-foundation.org>
Date:   Tue, 2 Aug 2022 17:06:19 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Mel Gorman <mgorman@...hsingularity.net>,
        Hugh Dickins <hughd@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH] mm: vmscan: fix extreme overreclaim and swap floods

On Tue,  2 Aug 2022 12:28:11 -0400 Johannes Weiner <hannes@...xchg.org> wrote:

> Change the code such that only one SWAP_CLUSTER_MAX-sized nudge toward
> the larger LRU lists is made before bailing out on a met reclaim goal.

It seems rash to jam this into 5.20-rc1 at this stage.  I'm thinking
5.21-rc1 with a cc:stable?