linux-kernel - Re: [PATCH 3/3] mm/memcg: Avoid reclaiming below hard protection

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Message-ID: <20181203115736.GQ31738@dhcp22.suse.cz>
Date:   Mon, 3 Dec 2018 12:57:36 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Xunlei Pang <xlpang@...ux.alibaba.com>
Cc:     Roman Gushchin <guro@...com>, Johannes Weiner <hannes@...xchg.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 3/3] mm/memcg: Avoid reclaiming below hard protection

On Mon 03-12-18 16:01:19, Xunlei Pang wrote:
> When memcgs get reclaimed after its usage exceeds min, some
> usages below the min may also be reclaimed in the current
> implementation, the amount is considerably large during kswapd
> reclaim according to my ftrace results.

And here again. Describe the setup and the behavior please?

-- 
Michal Hocko
SUSE Labs