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Message-ID: <5fa3beeccef7ab959d266973ab1641f011fdf11f.camel@surriel.com>
Subject: Re: [PATCH] mm: vmscan: fix extreme overreclaim and swap floods
From:   Rik van Riel <riel@surriel.com>
To:     Johannes Weiner <hannes@cmpxchg.org>,
        Andrew Morton <akpm@linux-foundation.org>
Cc:     Mel Gorman <mgorman@techsingularity.net>,
        Hugh Dickins <hughd@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, kernel-team@fb.com
Date:   Wed, 03 Aug 2022 13:27:17 -0400
In-Reply-To: <20220802162811.39216-1-hannes@cmpxchg.org>
References: <20220802162811.39216-1-hannes@cmpxchg.org>
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On Tue, 2022-08-02 at 12:28 -0400, Johannes Weiner wrote:
>=20
> 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.
>=20
> This fixes the extreme overreclaim problem.

Reviewed-by: Rik van Riel <riel@surriel.com>

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