linux-kernel - Re: [PATCH] mm, memcg: reclaim more aggressively before high allocator throttling

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Message-ID: <20200529072445.GD4406@dhcp22.suse.cz>
Date:   Fri, 29 May 2020 09:25:20 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Johannes Weiner <hannes@...xchg.org>
Cc:     Chris Down <chris@...isdown.name>,
        Shakeel Butt <shakeelb@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tejun Heo <tj@...nel.org>, Linux MM <linux-mm@...ck.org>,
        Cgroups <cgroups@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH] mm, memcg: reclaim more aggressively before high
 allocator throttling

On Thu 28-05-20 16:29:44, Johannes Weiner wrote:
[...]
> How about this:
> 
> Reclaim memcg_nr_pages_over_high in the first iteration, then switch
> to SWAP_CLUSTER_MAX in the retries.

Yes, that makes much more sense to me.

-- 
Michal Hocko
SUSE Labs